---
title: "WIZnet W5500"
url: "https://maker.wiznet.io/products/w5500/"
markdown_url: "https://maker.wiznet.io/products/w5500/md"
type: "WIZnet product hub"
datasheet: "https://docs.wiznet.io/Product/Chip/Ethernet/W5500/datasheet?utm_source=maker&utm_medium=hub&utm_campaign=w5500"
product_page: "https://docs.wiznet.io/Product/Chip/Ethernet/W5500"
projects: 1590
language: "en"
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# WIZnet W5500

> Hardwired TCP/IP Ethernet controller chip with an SPI interface.

## Documents

- [Datasheet](https://docs.wiznet.io/Product/Chip/Ethernet/W5500/datasheet?utm_source=maker&utm_medium=hub&utm_campaign=w5500)
- [Product page](https://docs.wiznet.io/Product/Chip/Ethernet/W5500)

## Projects and products using W5500

Newest 300 of 1590. Full list: https://maker.wiznet.io/products/w5500/

- [robo-con-for-Ethernet: W5500 TOE for ROS 2-Connected Robot Control](https://maker.wiznet.io/lawrence/projects/robo-con-for-ethernet-w5500-toe-for-ros-2-connected-robot-control/) (UCC, 2026-10-26): Ethernet teleoperation, a ROS 2 command bridge and CAN-connected robot control for a 2026 NHK Kosen Robocon team
- [Aircraft Actuator Test Platform: STM32 and W5500 Modbus TCP Link to a CLICK PLC](https://maker.wiznet.io/josephsr/projects/aircraft-actuator-test-platform-stm32-and-w5500-modbus-tcp-link-to-a-click-plc/) (UCC, 2026-10-26): A prototype actuator test bench where an STM32 NUCLEO-F446RE uses a WIZ550IO (W5500) as a Modbus TCP server for a CLICK PLUS PLC, plus a Python HMI.
- [Tripwire Firmware: Extending Batear with New Nodes and Relay-Aware Communication](https://maker.wiznet.io/irina/projects/tripwire-firmware-extending-batear-with-new-nodes-and-relay-aware-communication/) (UCC, 2026-10-26): Tripwire Firmware extends Batear with new node roles, XIAO hardware support, relay-aware packets, and W5500 Ethernet for flexible drone detection networks.
- [Broadcast Camera Tracking Gateway: STM32F401 and W5500 Free-D Tracking Box](https://maker.wiznet.io/josephsr/projects/broadcast-camera-tracking-gateway-stm32f401-and-w5500-free-d-tracking-box/) (UCC, 2026-10-26): An STM32F401 Tracking Box decodes serial/RS-485 camera and lens data, generates Free-D packets, and sends them over Ethernet through a WIZnet W5500.
- [Firefly Luciferin: A Real-Time Ambient Lighting System Using ESP32 and W5500 SPI Ethernet](https://maker.wiznet.io/Aimee0/projects/firefly-luciferin-a-real-time-ambient-lighting-system-using-esp32-and-w5500-spi-ethernet/) (UCC, 2026-10-26): Firefly Luciferin: A Real-Time Ambient Lighting System Using ESP32 and W5500 SPI Ethernet
- [esphome-ipv6-only](https://maker.wiznet.io/jaden/projects/esphome-ipv6-only/) (UCC, 2026-10-26): esphome-ipv6-only
- [UAV-radar: An ESP32-S3 and AI-Based Acoustic Drone Detection System](https://maker.wiznet.io/Aimee0/projects/uav-radar-an-esp32-s3-and-ai-based-acoustic-drone-detection-system/) (UCC, 2026-10-26): UAV-radar: An ESP32-S3 and AI-Based Acoustic Drone Detection System
- [Why Did a MicroPython Soft Reset Hang an STM32 with a W5500, and How Does PR #19800 Fix It?](https://maker.wiznet.io/ElenaLee/projects/why-did-a-micropython-soft-reset-hang-an-stm32-with-a-w5500-and-how-does-pr-19800-fix-it/) (UCC, 2026-10-24): Upstream MicroPython fix keeps an active W5500's SPI bus alive through soft reset on STM32 with lwIP, qualified with 60 resets and 20 upload cycles.
- [How Does a W5500 on the Cytron IRIV Turn a Wilcoxon 883M Vibration Sensor into a PLC-Ready Node?](https://maker.wiznet.io/ElenaLee/projects/how-does-a-w5500-on-the-cytron-iriv-turn-a-wilcoxon-883m-vibration-sensor-into-a-plc-ready-node/) (UCC, 2026-10-24): Open-source gateway reads an Amphenol Wilcoxon 883M vibration sensor over RS-485 and serves a PLC, MQTT and a web dashboard through the IRIV's W5500 Ethernet.
- [vibepcb-smu](https://maker.wiznet.io/gunn/projects/vibepcb-smu/) (UCC, 2026-10-23): An open-source Source Measure Unit (SMU) designed for high-precision voltage/current sourcing and measurement with SCPI-based remote control via W5500 Ethernet.
- [Understanding WizNet W5500 for Your CNC Projects](https://maker.wiznet.io/sophia/projects/understanding-wiznet-w5500-for-your-cnc-projects/) (UCC, 2026-10-23): There seems to be a lot of confusion (and a range of prices) surrounding the WizNet W5500-based Ethernet module we use for the RP23CNC.
- [RadioStreamer: TV Fiber/DR LYD for Vintage Beolab](https://maker.wiznet.io/sophia/projects/radiostreamer-tv-fiber-dr-lyd-for-vintage-beolab/) (UCC, 2026-10-23): RadioStreamer is one small board between an LG TV and the speakers, playing two sources: the TV's optical output and Danish DR radio over Ethernet.
- [How to Add a Third Ethernet Interface with W5500 on the Forlinx OKMX9352-C?](https://maker.wiznet.io/viktor/projects/how-to-add-a-third-ethernet-interface-with-w5500-on-the-forlinx-okmx9352-c/) (UCC, 2026-10-23): The Forlinx OKMX9352-C already has two native Gigabit Ethernet ports, so adding a WIZnet W5500 is not about compensating for insufficient processing power
- [Hardening Zephyr's W5500 Driver: An Open-Source Ethernet Stress Test](https://maker.wiznet.io/viktor/projects/hardening-zephyrs-w5500-driver-an-open-source-ethernet-stress-test/) (UCC, 2026-10-23): Zephyr-Ethernet-Stress-Test is a small, focused tool: it pushes the W5500 driver with realistic concurrent traffic and records exactly where it fails
- [aux-2](https://maker.wiznet.io/jaden/resellers/aux-2/) (VAR, 2026-10-23): aux-2
- [How Does an RP2350 Run an MQTT Broker and Its Dashboard on a W5500 With No PC Behind It?](https://maker.wiznet.io/Grace_Koo/projects/how-does-an-rp2350-run-an-mqtt-broker-and-its-dashboard-on-a-w5500-with-no-pc-behind-it/) (UCC, 2026-10-23): An RP2350-MINI(ETH) runs an MQTT broker and its live dashboard alone, splitting the W5500's eight hardware sockets into DHCP, web and five MQTT clients.
- [How Do You Get SNMPv3 authPriv on an ESP32-S3-ETH When ESP-IDF Has No Switch for It?](https://maker.wiznet.io/Grace_Koo/projects/how-do-you-get-snmpv3-authpriv-on-an-esp32-s3-eth-when-esp-idf-has-no-switch-for-it/) (UCC, 2026-10-23): A server-room monitor on the Waveshare ESP32-S3-ETH serving SNMPv3 authPriv from lwIP's own agent, with commit-confirm network changes, set beside WIZnet's EOE-W55RP20 module.
- [🚀 CRT Software — Trainee 2026.1](https://maker.wiznet.io/scott/projects/-crt-software--trainee-2026-1/) (UCC, 2026-10-22): CRT Software: Hybrid Rocket Ground Control That Falls Back from LoRa to Fiber — A Dual-Link Design with ESP32 and W5500
- [RoboCup MSL Robot Sports Qualification documents](https://maker.wiznet.io/mason/projects/robocup-msl-robot-sports-qualification-documents/) (UCC, 2026-10-22): RoboCup MSL Robot Sports Qualification documents
- [AdiNexus V2.0 Elite](https://maker.wiznet.io/mason/resellers/adinexus-v2-0-elite/) (VAR, 2026-10-22): AdiNexus V2.0 Elite
- [warp-core](https://maker.wiznet.io/scott/projects/warp-core/) (UCC, 2026-10-20): warp-core: A Hybrid Rocket Launch Controller Built on an 8-bit AVR and the W5500
- [How Does Apollo CAST-1 Use a W5500 Ethernet HAT for Wired Sendspin Multi-Room Audio?](https://maker.wiznet.io/ElenaLee/resellers/how-does-apollo-cast-1-use-a-w5500-ethernet-hat-for-wired-sendspin-multi-room-audio/) (VAR, 2026-10-13): Apollo Automation's $34.99 CAST-1 turns powered speakers into Music Assistant players; an optional W5500 HAT moves the stream to Ethernet with Wi-Fi fallback.
- [How Does an ESP32-S3 and W5500 Bridge a Sterilor XP Pool Chlorinator to Home Assistant over BLE?](https://maker.wiznet.io/ElenaLee/projects/how-does-an-esp32-s3-and-w5500-bridge-a-sterilor-xp-pool-chlorinator-to-home-assistant-over-ble/) (UCC, 2026-10-13): Reverse-engineered BLE bridge: an ESP32-S3 reads pool pH and sets salt production on Sterilor XP units, and a W5500 sends it to Home Assistant over Ethernet.
- [How Does TALLY-NODE Use W5500 Ethernet and LoRa for Camera Tally Lights?](https://maker.wiznet.io/Benjamin/resellers/how-does-tally-node-use-w5500-ethernet-and-lora-for-camera-tally-lights/) (VAR, 2026-10-12): TALLY-NODE connects video switchers through W5500 Ethernet, then sends camera tally states to LoRa receivers. The paid kit is available by inquiry.
- [How Does KinCony CO16 Connect Analog Sensors to Home Assistant with W5500?](https://maker.wiznet.io/Benjamin/resellers/how-does-kincony-co16-connect-analog-sensors-to-home-assistant-with-w5500/) (VAR, 2026-10-12): CO16 links 16 analog inputs, four multiplexed PT100 probes and relay control to Home Assistant through W5500 Ethernet and configurable firmware.
- [How Does W5500 Connect the SMLIGHT SLZB-Ultima Smart-Home Hub to Ethernet?](https://maker.wiznet.io/Benjamin/resellers/how-does-w5500-connect-the-smlight-slzb-ultima-smart-home-hub-to-ethernet/) (VAR, 2026-10-12): SLZB-Ultima connects dual smart-home radios through W5500 Ethernet, with distinct SLZB-OS and ESPHome setup paths and optional PoE expansion.
- [Esp32-Poe-HA-Speaker](https://maker.wiznet.io/jaden/projects/esp32-poe-ha-speaker/) (UCC, 2026-10-12): ESP32 PoE Home Assistant Speaker
- [BP2-POE](https://maker.wiznet.io/jaden/resellers/bp2-poe/) (VAR, 2026-10-12): Bluetooth Proxy Gateway
- [stm32f407-iot-gateway](https://maker.wiznet.io/lawrence/projects/industrial-iot-gateway-stm32f407-iot-gateway/) (UCC, 2026-10-12): STM32F407 gateway using WIZnet W5500 for Modbus-to-MQTT monitoring, offline data buffering, OTA rollback, and automatic 4G failover.
- [EnergyMe Home Pro: An Ethernet-First Smart Energy Monitor Built with ESP32-S3 and W5500](https://maker.wiznet.io/Aimee0/projects/energyme-home-pro-an-ethernet-first-smart-energy-monitor-built-with-esp32-s3-and-w5500/) (UCC, 2026-10-12): EnergyMe Home Pro: An Ethernet-First Smart Energy Monitor Built with ESP32-S3 and W5500
- [modbus-gateway](https://maker.wiznet.io/lawrence/projects/industrial-modbus-gateway/) (UCC, 2026-10-12): Industrial Modbus gateway: STM32F103 + FreeRTOS firmware (Modbus RTUTCP, W5500, OTA with dual-partition bootloader) and a Linux host
- [Can an Open Network Protocol Fix Live Audio Control? Proteus, Virgil and W5500](https://maker.wiznet.io/irina/projects/can-an-open-network-protocol-fix-live-audio-control-proteus-virgil-and-w5500/) (UCC, 2026-10-12): Modular RP2350 live-sound controller with W5500 Ethernet, motorized faders and display modules, built to prototype the Virgil audio-control protocol.
- [Cranet: ESP32-S3 Network Diagnostics Handheld with W5500 Wired Ethernet, Wi-Fi and BLE](https://maker.wiznet.io/josephsr/projects/cranet-esp32-s3-network-diagnostics-handheld-with-w5500-wired-ethernet-wi-fi-and-ble/) (UCC, 2026-10-12): ESP32-S3 network diagnostics device: W5500 SPI Ethernet with DHCP/static IP, ping and subnet scan, plus Wi-Fi and BLE scanning on an ILI9341 UI.
- [NiusBus: One Arduino Library for CAN, RS-485, Modbus and W5500 Ethernet](https://maker.wiznet.io/irina/projects/niusbus-one-arduino-library-for-can-rs-485-modbus-and-w5500-ethernet/) (UCC, 2026-10-12): Unified Arduino drivers for CAN, CAN FD, RS-485, Modbus and W5500 Ethernet, with diagnostics, DHCP, sockets and portable no-heap design.
- [How to Build Distributed Smart Parking Vision with WIZnet W5500 on ESP32-S3 and LuckFox Pico Mini?](https://maker.wiznet.io/viktor/projects/how-to-build-distributed-smart-parking-vision-with-wiznet-w5500-on-esp32-s3-and-luckfox-pico-mini/) (UCC, 2026-10-08): LuckFox-PicoMini-ParkingVision is a distributed smart-parking system that combines LuckFox Pico Mini RV1103 edge-AI boards with ESP32-S3
- [ezDV](https://maker.wiznet.io/scott/projects/ezdv/) (UCC, 2026-10-08): ezDV: How Soldering a W5500 onto a Wi-Fi FreeDV Device Added Wired Ethernet Without Touching the Radio Code
- [Nerd Eth interposer support- #724 #724 Merged shufps merged 2 commits into shufps:develop from BitMa](https://maker.wiznet.io/gunn/projects/nerd-eth-interposer-support-724-724-merged-shufps-merged-2-commits-into-shufpsdevelop-from-bitma/) (UCC, 2026-10-08): This PR integrates WIZnet's W5500 Ethernet controller into open-source Bitcoin miners, providing CPU-offloaded, ultra-low-latency wired connectivity.
- [GPS Clock — Serveur NTP stratum-1 sur ESP32-S3 + matrice HUB75](https://maker.wiznet.io/sophia/projects/gps-clock--serveur-ntp-stratum-1-sur-esp32-s3-matrice-hub75/) (UCC, 2026-10-07): A GPS/PPS-based Stratum-1 NTP server using ESP32-S3 and WIZnet W5500 Ethernet to distribute accurate time over a local network.
- [NASA Lunabotics: Dual-Core RTOS Motor Control & Telemetry System](https://maker.wiznet.io/sophia/projects/nasa-lunabotics-dual-core-rtos-motor-control-telemetry-system/) (UCC, 2026-10-07): An ESP32-S3 robotics control system using WIZnet W5500 Ethernet and Modbus TCP to communicate with a Beckhoff PLC for motor control and telemetry.
- [SLB-EXT Closed-Loop Controller](https://maker.wiznet.io/scott/resellers/slb-ext-closed-loop-controller/) (VAR, 2026-10-07): SLB-EXT: Why a Closed-Loop CNC Controller Moved Its Drivers Off the Board but Kept W5500 Ethernet
- [How Does a W5500 Network Toolbox Diagnose Ethernet from an M5Stack CoreS3?](https://maker.wiznet.io/Benjamin/projects/how-does-a-w5500-network-toolbox-diagnose-ethernet-from-an-m5stack-cores3/) (UCC, 2026-10-07): Jesse Hills turns an M5Stack CoreS3 and W5500 PoE base into a touchscreen tester for link, DHCP, IPv6 and ping, after fixing a shared SPI bus in ESPHome.
- [An Isolated Thermocouple Reader](https://maker.wiznet.io/mason/resellers/an-isolated-thermocouple-reader/) (VAR, 2026-10-07): An Isolated Thermocouple Reader
- [O-Nexus NetManager](https://maker.wiznet.io/mason/resellers/o-nexus-netmanager/) (VAR, 2026-10-07): O-Nexus NetManager
- [DMX-Unit-DIY: W5500 Art-Net node and 2-universe DMX512 controller on ESP32-S3](https://maker.wiznet.io/josephsr/projects/dmx-unit-diy-w5500-art-net-node-and-2-universe-dmx512-controller-on-esp32-s3/) (UCC, 2026-09-30): An ESP32-S3 DMX box that receives Art-Net over UDP 6454 through a W5500 and drives two DMX512 universes via MAX485, for about $29,33 in parts.
- [ESPHome GPS/PPS Stratum-1 NTP Server on ESP32-S3 with a W5500 Ethernet Timestamping Path](https://maker.wiznet.io/josephsr/projects/esphome-gps-pps-stratum-1-ntp-server-on-esp32-s3-with-a-w5500-ethernet-timestamping-path/) (UCC, 2026-09-30): A GPS 1 PPS pulse disciplines an ESP32-S3 clock to ~5 µs; the W5500 SPI Ethernet path is timestamped so LAN clients see 60–100 µs.
- [How Does the Rently Access Panel with Intercom Use W5500 for Wired Cloud Access Control?](https://maker.wiznet.io/ElenaLee/resellers/how-does-the-rently-access-panel-with-intercom-use-w5500-for-wired-cloud-access-control/) (VAR, 2026-09-30): Rently's UL294 access panel for rental communities combines Wi-Fi, LTE-M, and BLE with a WIZnet W5500 that gives it a wired 10/100 Ethernet path to the cloud.
- [ArchiNet: Newsan's W5500 Ethernet and ESP32-S3 Connectivity Board for the ARCHI RP2040 Platform](https://maker.wiznet.io/ElenaLee/projects/archinet-newsans-w5500-ethernet-and-esp32-s3-connectivity-board-for-the-archi-rp2040-platform/) (UCC, 2026-09-30): Newsan Lab's ArchiNet adds W5500 wired Ethernet plus ESP32-S3 Wi-Fi/BLE to its mass-produced ARCHI RP2040 education board, with open KiCad files.
- [Inverter + W5500](https://maker.wiznet.io/jaden/projects/inverter-w5500/) (UCC, 2026-09-29): TI DSP28377D + W5500 HW
- [How Do You Detect a Power Outage by Listening to Your Neighbors' Wi-Fi? - WifiWatch](https://maker.wiznet.io/irina/projects/how-do-you-detect-a-power-outage-by-listening-to-your-neighbors-wi-fi-wifiwatch/) (UCC, 2026-09-29): ESP-WiFiWatch passively scans neighbors' Wi-Fi for sudden outages while WIZnet's W5500 Ethernet handles all management, keeping the monitor independent of what
- [ESPHome 2026.9.0: Faster builds and encrypted updates](https://maker.wiznet.io/gunn/projects/esphome-2026-9-0-faster-builds-and-encrypted-updates/) (UCC, 2026-09-29): ESPHome 2026.9.0: Faster builds and encrypted updates
- [A Dual-Path IoT Sensing and Communication Framework for Smart Building and Construction-Site Structu](https://maker.wiznet.io/gunn/projects/a-dual-path-iot-sensing-and-communication-framework-for-smart-building-and-construction-site-structu/) (UCC, 2026-09-29): A Dual-Path IoT Sensing and Communication Framework for Smart Building and Construction-Site Structural Monitoring
- [ESPCAN 8PRO](https://maker.wiznet.io/sophia/projects/espcan-8pro/) (UCC, 2026-09-29): An universal DIN-rail controller powered by the ESP32-S3. It features 8 digital inputs, 8 digital outputs, and communication interfaces
- [SqueezeAMP PoE: ESP32 Network Audio Amplifier with W5500 Ethernet and PoE++ English](https://maker.wiznet.io/sophia/projects/squeezeamp-poe-esp32-network-audio-amplifier-with-w5500-ethernet-and-poe-english/) (UCC, 2026-09-29): SqueezeAMP PoE is an amplifier driven by an ESP32 designed to run squeezelite-esp32, powered by PoE++.
- [DMX Core PoE Control](https://maker.wiznet.io/Alan/resellers/dmx-core-poe-control/) (VAR, 2026-09-29): DMX Core PoE Control
- [Ethernet DMX Bridge V0.6](https://maker.wiznet.io/Alan/resellers/ethernet-dmx-bridge-v0-6/) (VAR, 2026-09-29): Ethernet DMX Bridge V0.6
- [W5500 Brings Wired ESPHome Monitoring to Multi-Pack LiFePO4 Battery Systems](https://maker.wiznet.io/jakelee/projects/esp32-s3-w5500-monitors-multi-pack-lifepo4-batteries-via-esphome/) (UCC, 2026-09-26): ESP32-S3 + W5500 connects TDT-1001 LiFePO4 BMS data to ESPHome and Home Assistant, including multi-pack monitoring over one RS-232 link.
- [How to Connect USB Smart-Home Radios with W5500 on the SMLIGHT SLZB-U2L?](https://maker.wiznet.io/viktor/resellers/slzb-u2l/) (VAR, 2026-09-23): modular USB-to-Ethernet bridge that makes your USB smart-home radios available across your LAN or Wi-Fi
- [SuperLongBoard](https://maker.wiznet.io/scott/resellers/superlongboard/) (VAR, 2026-09-22): SuperLongBoard: Why a CNC Shop Tired of EMI Chose W5500 Ethernet Over USB
- [IP Ethernet Wifi ZenoLAN0505](https://maker.wiznet.io/scott/resellers/ip-ethernet-wifi-zenolan0505/) (VAR, 2026-09-22): ZenoLAN0505: A Vietnamese Modbus RTU ⇄ TCP DIN-Rail Gateway Built on ESP32 and W5500
- [solis-shelly-sdm630-bridge](https://maker.wiznet.io/mason/projects/solis-shelly-sdm630-bridge/) (UCC, 2026-09-22): solis-shelly-sdm630-bridge
- [Freshtrack](https://maker.wiznet.io/mason/projects/freshtrack/) (UCC, 2026-09-22): Freshtrack
- [KinCony KC868-A16v3: 16-Channel ESP32-S3 I/O Controller with WIZnet W5500 Ethernet](https://maker.wiznet.io/ElenaLee/resellers/kincony-kc868-a16v3-16-channel-esp32-s3-i-o-controller-with-wiznet-w5500-ethernet/) (VAR, 2026-09-14): DIN-rail ESP32-S3 controller: 16 digital inputs and 16 MOSFET outputs, WIZnet W5500 wired Ethernet, RS485, and Home Assistant/ESPHome support.
- [KONTRX](https://maker.wiznet.io/lawrence/projects/ignova-systems-integration-kontrx/) (UCC, 2026-09-14): Kontrx is a bare-metal STM32F407 + FreeRTOS industrial edge gateway for water-quality monitoring. It doesn't just "have Ethernet"
- [raspberry-pi-pico-w5500-mavlink-bridge](https://maker.wiznet.io/lawrence/projects/mavlink-ethernet-bridge-with-wiznet-w5500-raspberry-pi-pico-w5500-mavlink-bridge/) (UCC, 2026-09-14): This project uses a Raspberry Pi Pico and WIZnet W5500 to extend a Flight Controller’s MAVLink communication over Ethernet.
- [UniFLEX](https://maker.wiznet.io/jaden/projects/uniflex/) (UCC, 2026-09-14): an UniFLEX compatible hardware/software project on Eurocards
- [ESP32-S3 + WIZnet W5500 — MicroPython Ethernet (TOE) Guide](https://maker.wiznet.io/josephsr/projects/esp32-s3-wiznet-w5500--micropython-ethernet-toe-guide/) (WCC, 2026-09-14): Use the W5500's Hardwired TCP/IP (TOE) from MicroPython on the ESP32-W5500-Dev-V1: flash the prebuilt firmware, bring the interface up, and verify all 16 exampl
- [MINDMESH GATEWAY](https://maker.wiznet.io/Alan/resellers/mindmesh-gateway/) (VAR, 2026-09-14): MINDMESH GATEWAY
- [Building an LTE-to-Ethernet Gateway with nRF9160 and W5500](https://maker.wiznet.io/Alan/projects/building-an-lte-to-ethernet-gateway-with-nrf9160-and-w5500/) (UCC, 2026-09-14): Building an LTE-to-Ethernet Gateway with nRF9160 and W5500
- [IndustrialSimulator: ESP32-WROOM32 and W5500 Modbus TCP Process Simulator](https://maker.wiznet.io/josephsr/projects/industrialsimulator-esp32-wroom32-and-w5500-modbus-tcp-process-simulator/) (UCC, 2026-09-14): An ESP-IDF firmware that turns an ESP32-WROOM32 with a W5500 into a deterministic industrial process simulator served over Modbus TCP on port 502.
- [weeSpindel: a 25 mm ESP-NOW hydrometer with a W5500 Ethernet gateway](https://maker.wiznet.io/josephsr/projects/weespindel-a-25-mm-esp-now-hydrometer-with-a-w5500-ethernet-gateway/) (UCC, 2026-09-14): A sub-25 mm iSpindel alternative that broadcasts tilt over ESP-NOW to an ESP32 + WIZnet W5500 gateway, which relays readings to MQTT and Home Assistant.
- [Looking for an embedded hardware engineer to review an ESP32 access-control schematic](https://maker.wiznet.io/gunn/projects/looking-for-an-embedded-hardware-engineer-to-review-an-esp32-access-control-schematic/) (UCC, 2026-09-13): Looking for an embedded hardware engineer to review an ESP32 access-control schematic
- [Commercial ESP32-S3 Access-Control Controller with W5500](https://maker.wiznet.io/sophia/projects/commercial-esp32-s3-access-control-controller-with-w5500/) (UCC, 2026-09-11): ESP32-S3 Commercial Access-Control Controller with W5500 Ethernet
- [A1-SLWF-09U WLED Ethernet Controller](https://maker.wiznet.io/sophia/resellers/a1-slwf-09u-wled-ethernet-controller/) (VAR, 2026-09-11): WLED Controller Upgraded from LAN8720 to W5500 Ethernet
- [PACE HMI: Connecting the RAMMP Robotic Wheelchair via RTPS with ESP32-P4 and W5500](https://maker.wiznet.io/Aimee0/projects/pace-hmi-fw/) (UCC, 2026-09-10): PACE HMI: Connecting the RAMMP Robotic Wheelchair via RTPS with ESP32-P4 and W5500
- [How to Build Industrial Ethernet with W5500 on the ERQOS EQSP32CE ESP32-S3 PLC?](https://maker.wiznet.io/viktor/resellers/how-to-build-industrial-ethernet-with-w5500-on-the-erqos-eqsp32ce-esp32-s3-plc/) (VAR, 2026-09-10): The ERQOS EQSP32CE is an ESP32-S3-based industrial controller that combines I/O, RS232/RS485, CAN, Wi-Fi, BLE, and wired Ethernet in a DIN-rail PLC format
- [How to Add W5500 Ethernet to a Zephyr BLE Concentrator on nRF52840?](https://maker.wiznet.io/viktor/projects/how-to-add-w5500-ethernet-to-a-zephyr-ble-concentrator-on-nrf52840/) (UCC, 2026-09-10): This project implements a BLE sensor concentrator on the Nordic nRF52840 DK and adds a wired TCP uplink through a WIZnet W5500 connected over SPI
- [ivan-bohun](https://maker.wiznet.io/scott/projects/ivan-bohun/) (UCC, 2026-09-07): A MAC No Factory Ever Issued — How Six ESP32-S3 Boards Share One W5500 Address
- [wireless-ac-automation-esp32](https://maker.wiznet.io/mason/projects/wireless-ac-automation-esp32/) (UCC, 2026-09-07): wireless-ac-automation-esp32
- [How Does ZoneTherm Use W5500 to Connect Seven OpenTherm Heating Zones?](https://maker.wiznet.io/Benjamin/projects/how-does-zonetherm-use-w5500-to-connect-seven-opentherm-heating-zones/) (UCC, 2026-09-07): ZoneTherm combines seven OpenTherm thermostats, configurable valve groups and W5500 Ethernet for local zone control and Home Assistant integration.
- [How Can an ESP32 and W5500 Separate Meter Polling from MQTT Telemetry?](https://maker.wiznet.io/Benjamin/projects/how-can-an-esp32-and-w5500-separate-meter-polling-from-mqtt-telemetry/) (UCC, 2026-09-07): An ESP32 thesis project uses W5500 Ethernet, a FreeRTOS queue and MQTT acknowledgements to explore electrical telemetry timing.
- [How Does Clock 2 Turn GNSS Pulses Into a W5500 Ethernet Time Server?](https://maker.wiznet.io/Benjamin/projects/how-does-clock-2-turn-gnss-pulses-into-a-w5500-ethernet-time-server/) (UCC, 2026-09-07): Clock 2 combines GNSS timing, an ESP32-S3 and W5500 Ethernet to serve local NTP time, with PoE power, OLED status and browser diagnostics.
- [How Can W5500 Give Eight Relays and Inputs a BACnet Management Interface?](https://maker.wiznet.io/Benjamin/projects/how-can-w5500-give-eight-relays-and-inputs-a-bacnet-management-interface/) (UCC, 2026-09-07): JimBoHa turns a Waveshare ESP32-S3 W5500 relay board into a BACnet/IP node with priority-aware relays, signed OTA, a browser installer and a passed 24 h soak.
- [8채널 네트워크 릴레이 모듈 IP/이더넷 액세스 컨트롤러 스위치, Modbus TCP 전송 지원](https://maker.wiznet.io/mason/resellers/8----ip-----modbus-tcp--/) (VAR, 2026-09-07): 8채널 네트워크 릴레이 모듈 IP/이더넷 액세스 컨트롤러 스위치, Modbus TCP 전송 지원
- [How Does CANLAB Bring the Same I/O Bank to USB and W5500 Ethernet Hosts?](https://maker.wiznet.io/Benjamin/resellers/how-does-canlab-bring-the-same-i-o-bank-to-usb-and-w5500-ethernet-hosts/) (VAR, 2026-09-07): CANLAB combines isolated inputs, relays, analog sensing and PWM with USB HID and W5500 TCP access, plus C++ host code for Windows and Linux.
- [What Does the HATRON PLCino Gain from Its Optional W5500 Ethernet Module?](https://maker.wiznet.io/Benjamin/resellers/what-does-the-hatron-plcino-gain-from-its-optional-w5500-ethernet-module/) (VAR, 2026-09-07): HATRON pairs Arduino Micro-compatible 24 V control with an optional HT008 W5500 module, DIO8 expansion and a public conveyor example.
- [Why Does the GEVINO TFT HMI Pair a Touchscreen with Optional W5500 Ethernet?](https://maker.wiznet.io/Benjamin/resellers/why-does-the-gevino-tft-hmi-pair-a-touchscreen-with-optional-w5500-ethernet/) (VAR, 2026-09-07): GEVA combines a SAMD21 touchscreen PLC, isolated I/O and optional W5500 Ethernet with public Arduino code and a dedicated guide for AI coding assistants.
- [Industrial IP & 4G Smart Relay](https://maker.wiznet.io/mason/resellers/industrial-ip-4g-smart-relay/) (VAR, 2026-09-07): Industrial IP & 4G Smart Relay
- [Why Does a W5500 Board Get Its Address Back After a Cable Pull but Not Its DNS?](https://maker.wiznet.io/Grace_Koo/projects/small-weather-station/) (UCC, 2026-09-03): A wired Zephyr weather node on a board Zephyr has no definition for, and the four DHCP settings it took to survive a cable pull.
- [How Does a Zephyr Driver Use W5500 Hardware TCP/IP When the In-Tree One Is MACRAW Only?](https://maker.wiznet.io/Grace_Koo/projects/iot-zephyr-app/) (UCC, 2026-09-03): Zephyr's in-tree W5500 driver is MACRAW only. This repo adds an out-of-tree socket-offload driver on the chip's hardware TCP/IP.
- [Why Was the CircuitPython W5500 Driver Stuck at 99 Messages a Second?](https://maker.wiznet.io/Grace_Koo/projects/gaytencoder/) (UCC, 2026-09-03): A rope encoder on a moving projection screen streams OSC at 201 Hz over W5500, after the CircuitPython driver proved call-bound.
- [How Much Does W5500 Hardware Offload Save Over MACRAW on the Same Board?](https://maker.wiznet.io/Grace_Koo/projects/nucleo-h723zg-udp-echo/) (UCC, 2026-09-03): Four UDP echo builds on one NUCLEO-H723ZG, measured for an hour each: W5500 hardware offload against MACRAW and the STM32's own MAC.
- [Flow.io-Waveshare](https://maker.wiznet.io/TheoIm/projects/flow-io-waveshare/) (UCC, 2026-09-02): https://github.com/christophebelmont/Flow.io-Waveshare
- [esp32poeLarsBatMon](https://maker.wiznet.io/TheoIm/projects/esp32poelarsbatmon/) (UCC, 2026-09-02): An ESP32-S3 reads a LiFePO4 BMS over BLE and publishes it as MQTT over a W5500 PoE link, where Node-RED turns it into a Victron virtual battery.
- [ZigBee Coordinator](https://maker.wiznet.io/jaden/projects/zigbee-coordinator/) (UCC, 2026-08-31): ZigBee Coordinator
- [AutomaticElectronicPressureRegulator](https://maker.wiznet.io/lawrence/projects/space-enterprise-at-berkeley-automaticelectronicpressureregulator/) (UCC, 2026-08-30): UC Berkeley's student rocket team, Space Enterprise at Berkeley (SEB), builds an Automatic Electronic Pressure Regulator (E-Reg)
- [Ethernet 16-Relay Board: An STM32 + W5500 Controller With DIP-Switch IP Deployment](https://maker.wiznet.io/ElenaLee/resellers/ethernet-16-relay-board-an-stm32-w5500-controller-with-dip-switch-ip-deployment/) (VAR, 2026-08-29): 16-channel relay controller from a small French Tindie shop, pairing an STM32F411RE (Cortex-M4) with a WIZnet W5500 that handles all TCP/IP/UDP in hardware.
- [OpenAmber: Open-Source ESP32 Heat Pump Controller With W5500 Wired Ethernet](https://maker.wiznet.io/ElenaLee/projects/openamber-open-source-esp32-heat-pump-controller-with-w5500-wired-ethernet/) (UCC, 2026-08-29): OpenAmber replaces the Itho Amber heat pump controller with an ESP32 running ESPHome; the ESP32-P4 build uses a WIZnet W5500 for wired Home Assistant control.
- [How Does a W5500 Pico Node Drive Four DMX512 Ports from Art-Net and sACN at 40 Hz?](https://maker.wiznet.io/Benjamin/projects/how-does-a-w5500-pico-node-drive-four-dmx512-ports-from-art-net-and-sacn-at-40-hz/) (UCC, 2026-08-28): ND-PicoDMX-System pairs a Raspberry Pi Pico with a WIZnet W5500 that receives Art-Net and sACN; dual-core firmware and PIO drive four DMX512 outputs at 40 Hz.
- [What Does the W5500 Ethernet Option Add to the GEVINO Motor Arduino PLC?](https://maker.wiznet.io/Benjamin/resellers/what-does-the-w5500-ethernet-option-add-to-the-gevino-motor-arduino-plc/) (VAR, 2026-08-28): A plug-in W5500 module turns GEVA Elettronica's EUR 74.80 SAMD21 stepper PLC into a networked controller with Modbus TCP, Telnet debug and FTP updates.
- [What Role Does the W5500 Play in the OpenIndus OI-Core Modular Industrial PLC?](https://maker.wiznet.io/Benjamin/resellers/what-role-does-the-w5500-play-in-the-openindus-oi-core-modular-industrial-plc/) (VAR, 2026-08-28): OI-Core, the ESP32-S3 master module of the OpenIndus rail-mounted PLC from Toulouse, gets its 10/100 Ethernet port from an embedded WIZnet W5500 on SPI.
- [Why Did CNC Vendor Ooznest Choose W5500 Ethernet for Its grblHAL ESP32-S3 Board?](https://maker.wiznet.io/Benjamin/projects/why-did-cnc-vendor-ooznest-choose-w5500-ethernet-for-its-grblhal-esp32-s3-board/) (UCC, 2026-08-28): Ooznest board support in grblHAL/ESP32 routes Telnet, WebSocket, FTP and WebUI over a W5500 SPI Ethernet link on the ESP32-S3, with Wi-Fi compiled alongside.
- [Why Did EaseEmbro Put a W5500 Wired Option in Its ESP32-S3 Attendance Terminal?](https://maker.wiznet.io/Benjamin/projects/why-did-easeembro-put-a-w5500-wired-option-in-its-esp32-s3-attendance-terminal/) (UCC, 2026-08-28): Surat factory WiFi is unreliable, so the EaseEmbro MES gives its ESP32-S3 fingerprint terminal a W5500 wired Ethernet option. The platform runs 33 factories.
- [Which Ethernet Chip Connects an Arduino UNO Q to a 6-Axis Robot Arm? The W5500](https://maker.wiznet.io/Benjamin/projects/which-ethernet-chip-connects-an-arduino-uno-q-to-a-6-axis-robot-arm-the-w5500/) (UCC, 2026-08-28): A WIZnet W5500 on the arm's master RP2040 Pico carries TCP and UDP motion commands from the Arduino UNO Q host, using WIZnet's own ioLibrary socket API.
- [How Does a W5500 Wired ESP32 Monitor 3-Phase Power at a BMKG Geophysics Station?](https://maker.wiznet.io/Benjamin/projects/how-does-a-w5500-wired-esp32-monitor-3-phase-power-at-a-bmkg-geophysics-station/) (UCC, 2026-08-28): A peer-reviewed 2026 paper wires an ESP32, three PZEM-004T sensors, and a W5500 Ethernet module into the BMKG Sleman station LAN to log 3-phase kWh in MySQL.
- [Why the W5500 Beat the ENC28J60 and AX11001 in a UCF Animatronic Trade Study](https://maker.wiznet.io/Benjamin/projects/why-the-w5500-beat-the-enc28j60-and-ax11001-in-a-ucf-animatronic-trade-study/) (UCC, 2026-08-28): Full hardware TCP/IP stack, eight sockets, a dedicated 32 KB buffer, 80 MHz SPI. UCF Group 21 wrote the comparison down, then measured the chip on its bench.
- [RectaBot: A grblHAL-Based CNC Control System Using RP2350B and W5500 Ethernet](https://maker.wiznet.io/Aimee0/resellers/rectabot/) (VAR, 2026-08-28): RectaBot: A grblHAL-Based CNC Control System Using RP2350B and W5500 Ethernet
- [masterETH Controller: Centralized Management of dualETH and quadETH Art-Net Nodes via W5500 Ethernet](https://maker.wiznet.io/Aimee0/resellers/mastereth/) (VAR, 2026-08-28): masterETH Controller: Centralized Management of dualETH and quadETH Art-Net Nodes via W5500 Ethernet
- [How to Bridge Network MIDI 2.0 with W5500 on RP2040?](https://maker.wiznet.io/viktor/projects/how-to-bridge-network-midi-2-0-with-w5500-on-rp2040/) (UCC, 2026-08-28): AmeNote ProtoZOA's NetworkMIDI2_Bridge connects USB MIDI 2.0 devices to Network MIDI 2.0 over wired Ethernet using an RP2040 and a WIZnet W5500 expansion board.
- [CRANTROL: W5500-Based IoT Control Platform](https://maker.wiznet.io/irina/projects/crantrol-w5500-based-iot-control-platform/) (UCC, 2026-08-28): CRANTROL is an ESP32-S3 and W5500 Ethernet remote control platform with 10-channel relay control, Flutter mobile app, Firebase sync, and captive portal setup.
- [protective-stop](https://maker.wiznet.io/TheoIm/projects/protective-stop/) (UCC, 2026-08-28): protective-stop
- [ESP32-S3 High-Current 4-Channel Relay Controller + W5500 UDP Relay Control Demo and Source Code](https://maker.wiznet.io/TheoIm/projects/esp32-s3--4---w5500--udp----/) (UCC, 2026-08-28): Higenis HG-ESP32-S3-RLY4-PRO + W5500: an ESP32-S3 industrial controller that drives real relays over UDP via SPI Ethernet.
- [Where Does the 850 Rupee NXG-W5500-MOD Ethernet Module Come From in India?](https://maker.wiznet.io/Benjamin/resellers/where-does-the-850-rupee-nxg-w5500-mod-ethernet-module-come-from-in-india/) (VAR, 2026-08-27): Nex-G Automation LLP in Hubballi, Karnataka sells the NXG-W5500-MOD, a WIZnet W5500 plug-in module with its own silkscreen, only on IndiaMART at 850 rupees.
- [What Is Inside the WittelB WIN-MD-W5500, an Own-Brand W5500 Module from India?](https://maker.wiznet.io/Benjamin/resellers/what-is-inside-the-wittelb-win-md-w5500-an-own-brand-w5500-module-from-india/) (VAR, 2026-08-27): A WIZnet W5500, a 25.000 MHz crystal and a HanRun HR911105A jack. Augmatic Technologies of Vadodara sells it at INR 425, below its own ENC28J60 board.
- [Which Industrial Protocols Can a W5500 and ESP32-S3 Detect on an OT Network?](https://maker.wiznet.io/Benjamin/projects/which-industrial-protocols-can-a-w5500-and-esp32-s3-detect-on-an-ot-network/) (UCC, 2026-08-27): Five: Modbus TCP, S7, PROFINET DCP, OPC UA and EtherNet/IP. This ESP32-S3 firmware runs the W5500 in promiscuous mode to read Layer 2 frames.
- [How Does a 10BASE-T1L Field Port Reach Standard Ethernet Through a W5500?](https://maker.wiznet.io/Benjamin/projects/how-does-a-10base-t1l-field-port-reach-standard-ethernet-through-a-w5500/) (UCC, 2026-08-27): In this open KiCad gateway an ADIN1110 holds the 10BASE-T1L pair and a W5500 carries it onto standard Ethernet, both on one ESP32-S3 over separate SPI buses.
- [Why Does a W5500 Ethernet Link Carry ROS 2 Drive Commands in the ULSTU Buggy?](https://maker.wiznet.io/Benjamin/projects/why-does-a-w5500-ethernet-link-carry-ros-2-drive-commands-in-the-ulstu-buggy/) (UCC, 2026-08-27): ULSTU put a W5500 on the ESP32 board of its Ackermann teaching robot, so a Jetson AGX Xavier sends JSON-RPC drive commands and reads IMU data over wired UDP.
- [Industrial Edge-AI Condition Monitoring & 3D Digital Twin](https://maker.wiznet.io/sophia/projects/industrial-edge-ai-condition-monitoring-3d-digital-twin/) (UCC, 2026-08-27): Industrial 3-phase motors often fail unexpectedly due to worn bearings, unbalanced phases, or bent shafts, causing massive factory downtime
- [ESP32 HF QRP FT8 Transceiver](https://maker.wiznet.io/sophia/projects/esp32-hf-qrp-ft8-transceiver/) (UCC, 2026-08-27): This project combines classic RF design with modern digital signal processing to create a compact HF QRP transceiver platform covering the amateur HF bands.
- [PMS04-B](https://maker.wiznet.io/mason/resellers/pms04-b/) (VAR, 2026-08-27): PMS04-B
- [ModBus to MQTT Ethernet Bridge for a Solis 1.5kW Inverter](https://maker.wiznet.io/scott/projects/modbus-to-mqtt-ethernet-bridge-for-a-solis-1-5kw-inverter/) (UCC, 2026-08-27): No Wi-Fi in the Shed, Two Months Without a Reset — A Solis Inverter Modbus-to-MQTT Bridge Built on ATmega32U4 and W5500
- [Why Does the Horter I2ARL Need a Separate W5500 Module for Modbus TCP?](https://maker.wiznet.io/Benjamin/resellers/why-does-the-horter-i2arl-need-a-separate-w5500-module-for-modbus-tcp/) (VAR, 2026-08-27): Horter's EUR 24.90 I2ARL kit ships its LAN slot empty and its ATmega328P has no Ethernet MAC, so Modbus TCP needs the separate EUR 11.90 W5500 module.
- [Where Do the Eight W5500 Hardware Sockets Go in Somon's Halow-GW?](https://maker.wiznet.io/Benjamin/resellers/where-do-the-eight-w5500-hardware-sockets-go-in-somons-halow-gw/) (VAR, 2026-08-27): Somon's Halow-GW Wi-Fi HaLow gateway spends all eight W5500 hardware sockets on three TCP servers, two TCP clients, two UDP channels and one HTTP listener.
- [Why Does the boneIO gen 2 DIN-Rail Dimmer Use a W5500 Instead of LAN8720?](https://maker.wiznet.io/Benjamin/resellers/why-does-the-boneio-gen-2-din-rail-dimmer-use-a-w5500-instead-of-lan8720/) (VAR, 2026-08-27): boneIO's gen 2 dimmer moved to an ESP32-S3, which has no Ethernet MAC, so its shipping firmware declares a WIZnet W5500 on SPI in place of gen 1's LAN8720.
- [Inoa Satellite Gateway](https://maker.wiznet.io/mason/resellers/inoa-satellite-gateway/) (VAR, 2026-08-26): Inoa Satellite Gateway
- [SlimmeLezer Pro](https://maker.wiznet.io/scott/resellers/slimmelezer-pro/) (VAR, 2026-08-26): SlimmeLezer Pro — The W5500 That Gave Ethernet Back to the ESP32-C3, and Wired Up the Smart Meter Reader
- [ESP32-S3 + WIZnet W5500 — MicroPython Ethernet (MACRAW) Guide](https://maker.wiznet.io/josephsr/projects/esp32-s3-wiznet-w5500--micropython-ethernet-macraw-guide/) (WCC, 2026-08-25): This guide walks through flashing MicroPython onto an ESP32-W5500-Dev-V1 board and verifying Ethernet functionality end to end, starting from a blank board.
- [How Does Senbrino Turn AI-Edited Ladder Logic Into an Arduino Sketch on a W5500 PLC Board?](https://maker.wiznet.io/Benjamin/projects/how-does-senbrino-turn-ai-edited-ladder-logic-into-an-arduino-sketch-on-a-w5500-plc-board/) (UCC, 2026-08-21): Going's Senbrino ladder IDE has an MCP server inside, so an AI edits the ladder itself. Senbrino then builds Arduino C++ for a W5500 Modbus TCP board.
- [Beryllium OS Micro: A Modular CircuitPython Environment with W5500 Ethernet](https://maker.wiznet.io/Grace_Koo/projects/micro/) (UCC, 2026-08-19): Beryllium OS Micro treats W5500 as a CircuitPython OS network driver, enabling modular wired Ethernet on small MCUs.
- [particle-iot /device-os](https://maker.wiznet.io/Grace_Koo/projects/particle-iot-device-os/) (UCC, 2026-08-18): Particle's Device OS registers the W5500 as an lwIP netif: Socket 0 in MACRAW, the full 16 KB buffer, and pins configurable at runtime.
- [How Does a Reconfigurable Multi-Channel Data Acquisition Patent Use WIZnet W5500?](https://maker.wiznet.io/ElenaLee/projects/how-does-a-reconfigurable-multi-channel-data-acquisition-patent-use-wiznet-w5500/) (UCC, 2026-08-16): A patent from Southwest Univ. of Science & Technology reconfigures two ADCs for multi-channel or high-rate sampling, streaming data over Ethernet via W5500.
- [How Does an ESP32-S3 Modbus Gateway Serve Field Points as MCP Tools over W5500 Ethernet?](https://maker.wiznet.io/Benjamin/projects/how-does-an-esp32-s3-modbus-gateway-serve-field-points-as-mcp-tools-over-w5500-ethernet/) (UCC, 2026-08-15): hexinttp's ESP-IDF firmware maps Modbus RTU and TCP registers to named points, publishes them over MQTT, and serves 11 MCP tools, with W5500 as default route.
- [How Does the Eva Wall-Box PoE Sensor Split W5500 Ethernet Across Two Boards?](https://maker.wiznet.io/Benjamin/projects/how-does-the-eva-wall-box-poe-sensor-split-w5500-ethernet-across-two-boards/) (UCC, 2026-08-15): Alexey Titov's Eva node fits a wall box by splitting in two: sensors and a W5500 on the front PCB, RJ45 and a PoE module on the back.
- [How Does YamBMS Merge Multiple ESS BMS Units for One Inverter Over W5500 Ethernet?](https://maker.wiznet.io/Benjamin/projects/how-does-yambms-merge-multiple-ess-bms-units-for-one-inverter-over-w5500-ethernet/) (UCC, 2026-08-15): YamBMS is an ESPHome project that merges parallel BMS units into one battery for the inverter. Its two ESP32-S3 Ethernet board files both configure a W5500.
- [OpenKNX REG1: A Bus-Powered DIN-Rail KNX-IP Router on RP2040 and W5500](https://maker.wiznet.io/Benjamin/resellers/openknx-reg1-a-bus-powered-din-rail-knx-ip-router-on-rp2040-and-w5500/) (VAR, 2026-08-15): OpenKNX REG1 is an open hardware DIN-rail platform whose REG1-App-Eth board adds a WIZnet W5500 to an RP2040, bridging a KNX twisted-pair line and KNX-IP.
- [How Does BREMA Make a KNX Stick Its Own MCP Server, and Where Does PoE W5500 Fit?](https://maker.wiznet.io/Benjamin/projects/how-does-brema-make-a-knx-stick-its-own-mcp-server-and-where-does-poe-w5500-fit/) (UCC, 2026-08-15): BREMA firmware makes busware's TUL KNX stick answer MCP over HTTP, so an agent can commission KNX devices. A PoE W5500 extension is the wired path.
- [WebSocket on the WIZnet ESP SoM: the MCU never runs TCP](https://maker.wiznet.io/TheoIm/projects/websocket-on-the-wiznet-esp-som-the-mcu-never-runs-tcp/) (WCC, 2026-08-14): WebSocket on a WIZnet ESP SoM. TCP runs on the Ethernet chip, not the MCU. Same firmware on W5500 or W6300 - one menuconfig switch, no porting.
- [Modbus TCP on the WIZnet ESP SoM, re-addressable from a browser](https://maker.wiznet.io/TheoIm/projects/modbus-tcp-on-the-wiznet-esp-som-re-addressable-from-a-browser/) (WCC, 2026-08-14): Modbus TCP slave plus a live web dashboard on a WIZnet ESP SoM. Change the IP from the browser. Same firmware on W5500 or W6300, one menuconfig switch.
- [ESP32-WIZnet Chip-DevKit Camera Streaming](https://maker.wiznet.io/TheoIm/projects/esp32-wiznet-chip-devkit-camera-streaming/) (WCC, 2026-08-14): One ESP32-S3 streams the same camera over Ethernet (hardware TCP/IP) and Wi-Fi at once. Pull the cable and the surviving link gets 3x faster. Here is why.
- [Systembase eHaLow/Br](https://maker.wiznet.io/gunn/resellers/systembase-ehalow-br/) (VAR, 2026-08-13): The eHaLow/Br by SystemBase is a next-generation wireless LAN gateway bridge designed for long-range IoT data transmission.
- [muc-opcua](https://maker.wiznet.io/TheoIm/projects/muc-opcua/) (UCC, 2026-08-13): QuackPLC uses W5500 hardware TCP to serve OPC UA while keeping its 1 kHz PLC scan timing stable without lwIP or an RTOS socket layer.
- [WIS-PLC](https://maker.wiznet.io/scott/resellers/wis-plc/) (VAR, 2026-08-13): Why Industrial Shields Has Stuck With the W5500 for a Decade — One Ethernet Layer Across AVR, ESP32, and Linux
- [NEXTuino BASE — RP2040 Entry-Level Industrial Arduino PLC](https://maker.wiznet.io/scott/resellers/nextuino-base--rp2040-entry-level-industrial-arduino-plc/) (VAR, 2026-08-12): Why Doesn't the Arduino Opta Use WIZnet? — The Fork in Industrial PLC Ethernet Design
- [NRC7394 SDK: W5500-Based Ethernet-to-Wi-Fi HaLow Gateway](https://maker.wiznet.io/Aimee0/projects/nrc7394-sdk/) (UCC, 2026-08-12): NRC7394 SDK: W5500-Based Ethernet-to-Wi-Fi HaLow Gateway
- [Connecting a Camper Van Control System to Home Assistant Using ESP32-S3 and W5500](https://maker.wiznet.io/Aimee0/projects/esphome-onecontrol/) (UCC, 2026-08-12): Connecting a Camper Van Control System to Home Assistant Using ESP32-S3 and W5500
- [NORVI X: A Modular Industrial IoT Controller Combining ESP32-S3 and W5500](https://maker.wiznet.io/Aimee0/resellers/norvi-x/) (VAR, 2026-08-12): NORVI X: A Modular Industrial IoT Controller Combining ESP32-S3 and W5500
- [How Does KinCony B4M Use W5500 for Reliable Smart Home Automation?](https://maker.wiznet.io/sophia/resellers/how-does-kincony-b4m-use-w5500-for-reliable-smart-home-automation/) (VAR, 2026-08-12): KinCony's B4M Smart Controller, introduced in 2026, is an interesting commercial example of this approach
- [ThinkLink GD6: A LoRaWAN Gateway Based on W5500 Ethernet and ESP32-S3](https://maker.wiznet.io/Aimee0/resellers/gd6/) (VAR, 2026-08-12): ThinkLink GD6: A LoRaWAN Gateway Based on W5500 Ethernet and ESP32-S3
- [ESP32 dual-W5500 transparent Ethernet bridge](https://maker.wiznet.io/gunn/projects/esp32-dual-w5500-transparent-ethernet-bridge/) (UCC, 2026-08-12): ESP32 dual-W5500 transparent Ethernet bridge
- [STM32-网络通讯32路DIDO控制板](https://maker.wiznet.io/mason/resellers/stm32-32dido/) (VAR, 2026-08-12): STM32-网络通讯32路DIDO控制板
- [Open-Source Pixel Artnet Node now supports WLED!](https://maker.wiznet.io/gunn/projects/open-source-pixel-artnet-node-now-supports-wled/) (UCC, 2026-08-10): This project introduces a highly reliable, open-source Art-Net ESP32 LED controller designed to drive up to 16 universes of addressable LEDs at over 40 frames
- [Huawei-Modbus-TLS-Server](https://maker.wiznet.io/irina/projects/huawei-modbus-tls-server/) (UCC, 2026-08-06): Huawei EMMA dials out over TLS as the TCP client, so a normal Modbus server cannot answer it. A W5500 gives that reverse link its own isolated LAN.
- [Modbus TCP between 2 Industruinos](https://maker.wiznet.io/mason/projects/modbus-tcp-between-2-industruinos/) (UCC, 2026-08-03): expand I/O channels over Ethernet
- [IND.I/O switching application with Modbus TCP](https://maker.wiznet.io/mason/projects/ind-i-o-switching-application-with-modbus-tcp/) (UCC, 2026-08-03): controling a set of disinfection lights based on sensor readings
- [KinCony N Series ESP32-S3 AC Energy Meter Platform](https://maker.wiznet.io/scott/resellers/kincony-n-series-esp32-s3-ac-energy-meter-platform/) (VAR, 2026-08-03): From 10 to 60 Channels, the Network Layer Never Changes — A Structural Analysis of the KinCony N-Series ESP32-S3 Energy Meters
- [FPGA MCU Porting Update](https://maker.wiznet.io/gunn/projects/fpga-mcu--/) (UCC, 2026-08-02): FPGA MCU Porting Update
- [ProtoCore](https://maker.wiznet.io/TheoIm/projects/protocore/) (UCC, 2026-07-31): ProtoCore runs multiple network services on ESP32-S3 via W5500, reaching ~8.2 Mbit/s over SPI with verified large-file transfers.
- [FM-ArtNetNode_4U_V2](https://maker.wiznet.io/Grace_Koo/projects/fm-artnetnode-4u-v2/) (UCC, 2026-07-31): Raspberry Pi Pico + W5500-Lite four-universe Art-Net-to-DMX512 node, using the W5500 hardware socket for UDP and web config.
- [How Is Willow Evolving W5500 Voice AI with WakeNet Model Packages?](https://maker.wiznet.io/Benjamin/projects/how-is-willow-evolving-w5500-voice-ai-with-wakenet-model-packages/) (UCC, 2026-07-31): HeyWillow packages trained WakeNet models for Willow devices, while an external W5500 option connects the voice terminal to local services.
- [Two Antennas, One Accurate Heading: Building a Dual GNSS Guidance System with W5500 and AgOpenGPS](https://maker.wiznet.io/TheoIm/projects/dualheading-2022/) (UCC, 2026-07-31): Build a precision agriculture guidance system using ESP32, dual ZED-F9P GNSS receivers, and WIZnet W5500 Ethernet for accurate RTK heading and reliable AgOpenGP
- [NaoDec: A Dodecahedron That Had to Go Wired — W5500 Inside a 1,740-Pixel Art Installation](https://maker.wiznet.io/TheoIm/projects/naodec/) (UCC, 2026-07-31): Build an interactive art installation using ESP32-S3 and WIZnet W5500 Ethernet, replacing unreliable Wi-Fi with stable wired OSC communication for 1,740-pixel s
- [Announce for UniFi: A PoE W5500 Audio Announcer That Reacts to UniFi Webhooks](https://maker.wiznet.io/ElenaLee/projects/announce-for-unify-a-poe-w5500-audio-announcer-that-reacts-to-unifi-webhooks/) (UCC, 2026-07-30): A UK maker's DIY UniFi AI Horn alternative: an ESP32-S3 with WIZnet W5500 wired Ethernet and PoE that plays audio announcements from UniFi camera webhooks.
- [Control Your STM32 from a Browser: W5500 CGI Web Server](https://maker.wiznet.io/ElenaLee/projects/control-your-stm32-from-a-browser-w5500-cgi-web-server/) (UCC, 2026-07-30): ControllersTech's Part 6 tutorial builds a dynamic CGI web server on STM32F103 with W5500 hardware sockets: LED control, PWM slider, and live BME280 JSON data.
- [How to Integrate W5500 Ethernet into MeshCam Gateway Firmware?](https://maker.wiznet.io/viktor/projects/how-to-integrate-w5500-ethernet-into-meshcam-gateway-firmware/) (UCC, 2026-07-30): MeshCam is an ESP32-based wildlife camera network that transfers motion-triggered images
- [How Does W5500 Turn an ESP32-S3 into a Modbus TCP Device Simulator?](https://maker.wiznet.io/sophia/projects/how-does-w5500-turn-an-esp32-s3-into-a-modbus-tcp-device-simulator/) (UCC, 2026-07-30): An ESP32-S3 and W5500-based learning platform that simulates industrial Modbus TCP devices and supports Ethernet OTA, configurable network settings, an HTTP API
- [How Can W5500 and SX1262 Connect Remote LoRa Nodes to an Industrial Ethernet Network?](https://maker.wiznet.io/sophia/projects/how-can-w5500-and-sx1262-connect-remote-lora-nodes-to-an-industrial-ethernet-network/) (UCC, 2026-07-30): An industrial LoRa-to-Ethernet gateway that combines an ESP32-S3 control board, W5500 wired networking, PoE, isolated digital I/O, and an SX1262 LoRa DTU.
- [Silicon Labs Third Party Hardware Drivers – ETH WIZ Click](https://maker.wiznet.io/sophia/projects/silicon-labs-third-party-hardware-drivers--eth-wiz-click/) (UCC, 2026-07-30): Third-Party Hardware Drivers are GSDK Extension to provide support for third-party external hardware.
- [MicroROS-Pub](https://maker.wiznet.io/jaden/projects/microros-pub/) (UCC, 2026-07-30): MicroROS-Pub
- [How to Build a DSP-Enabled Network Audio Amplifier with W5500 on Louder-ESP32-Pro?](https://maker.wiznet.io/viktor/resellers/louder-esp32-pro/) (VAR, 2026-07-28): Louder ESP32 Pro
- [How Does a W5500 Gateway Convert Modbus Sensor Data to MQTT?](https://maker.wiznet.io/Benjamin/projects/how-does-a-w5500-gateway-convert-modbus-sensor-data-to-mqtt/) (UCC, 2026-07-27): A Bengbu University patent application links RS-485 sensors to a GD32F303CET6 gateway that packages data as MQTT and sends it through W5500 Ethernet.
- [KinCony KC868-A2v3: A W5500-Based ESP32-S3 Relay Controller Built for Wired-First Automation](https://maker.wiznet.io/ElenaLee/resellers/kincony-kc868-a2v3-a-w5500-based-esp32-s3-relay-controller-built-for-wired-first-automation/) (VAR, 2026-07-24): KinCony's KC868-A2v3 swaps its old LAN8720A PHY for a W5500, giving a 2-channel ESP32-S3 relay board a hardwired TCP/IP path across its whole v3 lineup.
- [ESP32-Jarolift-Controller (TDEF, CC1101, W5500)](https://maker.wiznet.io/gunn/projects/esp32-jarolift-controller-tdef-cc1101-w5500/) (UCC, 2026-07-24): ESP32-Jarolift-Controller (TDEF, CC1101, W5500)
- [SMLIGHT SLZB-MR3U: A W5500-Based Dual-Radio Zigbee + Thread Ethernet PoE Coordinator](https://maker.wiznet.io/ElenaLee/resellers/smlight-slzb-mr3u-a-w5500-based-dual-radio-zigbee-thread-ethernet-poe-coordinator/) (VAR, 2026-07-24): SLZB-MR3U pairs CC2674P10 and EFR32MG24 radios with an ESP32-S3 and WIZnet W5500 for a PoE, Ethernet-first Zigbee and Thread smart home coordinator.
- [Crystal Oscillator Selection Guide: Types, Specs, and Packages](https://maker.wiznet.io/gunn/projects/crystal-oscillator-selection-guide-types-specs-and-packages/) (UCC, 2026-07-24): Crystal Oscillator Selection Guide: Types, Specs, and Packages
- [How Does CamThink's NeoEyes NE301 PoE Use W5500 for Wired Ethernet?](https://maker.wiznet.io/Benjamin/resellers/how-does-camthinks-neoeyes-ne301-poe-use-w5500-for-wired-ethernet/) (VAR, 2026-07-24): NE301 PoE uses W5500 in MACRAW mode for wired Ethernet, while STM32N657 runs vision inference and lwIP and a separate circuit handles PoE power.
- [Architecture of a Smart Home Controller Using SUPLA’s supla-device and W5500 Ethernet](https://maker.wiznet.io/Aimee0/projects/supla-device/) (UCC, 2026-07-24): Architecture of a Smart Home Controller Using SUPLA’s supla-device and W5500 Ethernet
- [How Two W5500 Nodes Bridge Siemens LOGO Telemetry Across 500 m of LoRa](https://maker.wiznet.io/Benjamin/projects/how-two-w5500-nodes-bridge-siemens-logo-telemetry-across-500-m-of-lora/) (UCC, 2026-07-24): A 2026 UTFSM thesis uses two STM32-W5500 Ethernet nodes and SX1278 LoRa to read a Siemens LOGO register across an offline 500 m rural link.
- [TMC-LZ210-Command-Station](https://maker.wiznet.io/jaden/projects/tmc-lz210-command-station/) (UCC, 2026-07-24): https://github.com/tmc-digiboys/TMC-LZ210-Command-Station-PCB
- [How does OpenQuatt control a Quatt Heat Pump over a wired connection using ESPHome and the W5500?](https://maker.wiznet.io/Aimee0/projects/openquatt/) (UCC, 2026-07-24): How does OpenQuatt control a Quatt Heat Pump over a wired connection using ESPHome and the W5500?
- [How Did RoboMagellan Implement a UDP-Based Robot Motor Controller Using the RP2040 and W5500?](https://maker.wiznet.io/Aimee0/projects/robomagellan-rp2040-firmware/) (UCC, 2026-07-24): How Did RoboMagellan Implement a UDP-Based Robot Motor Controller Using the RP2040 and W5500?
- [esp-thread-br](https://maker.wiznet.io/Grace_Koo/projects/esp-thread-br/) (UCC, 2026-07-23): How to configure Espressif's open-source Thread Border Router SDK with a W5500 wired Ethernet backbone.
- [picoArtnet2DMX](https://maker.wiznet.io/TheoIm/projects/picoartnet2dmx/) (UCC, 2026-07-23): picoArtnet2DMX is an open-source gateway that converts Art-Net lighting data from Ethernet into DMX512 signals using a Raspberry Pi Pico and the WIZnet W5500.
- [temprepo](https://maker.wiznet.io/TheoIm/projects/temprepo/) (UCC, 2026-07-23): Coloruino sends motion commands over Ethernet to a WIZnet W5500-based Arduino running USB Host Shield and HID firmware.
- [Ethernet Shield based Electricty Billing Framework](https://maker.wiznet.io/scott/projects/ethernet-shield-based-electricty-billing-framework/) (UCC, 2026-07-22): Arduino UNO, 전자식 전력계, 펄스 검출 회로, W5500 Ethernet Shield, GSM 모뎀을 결합해 전력 사용량을 자동 측정하고 서버에서 요금 산정과 온라인 청구를 지원하는 스마트 전력 계량 프레임워크입니다. W5500 Ethernet Shield는 계량 데이터를 전력회사 서버로 전달하는 게이트웨이로 실제 기능에 사용됩니다…
- [pla1](https://maker.wiznet.io/scott/projects/pla1/) (UCC, 2026-07-22): 이 프로젝트는 산업용 PLC 계열 장치로 보이며, 웹 대시보드, MQTT, Modbus, 원격 관리 같은 핵심 네트워크 기능이 W5500 이더넷 경로에 실제로 연결됩니다. WiFi와 LTE 대체 경로도 있지만, W5500은 보드 V3의 실사용 네트워크 인터페이스로 통합되어 있습니다. ★ W5500이 단순 옵션이 아니라 보드 V3의 고정 하드웨어이고, 웹…
- [stm32_artnet_dmx](https://maker.wiznet.io/Grace_Koo/projects/stm32-artnet-dmx/) (UCC, 2026-07-22): An Art-Net → DMX512 lighting gateway on STM32F411 + W5500, driving the W5500's hardware UDP socket directly and optimized for low latency with SPI/TIM DMA.
- [Greenhouse-Automation-Waveshare-ESP32-S3](https://maker.wiznet.io/mason/projects/greenhouse-automation-waveshare-esp32-s3/) (UCC, 2026-07-22): Greenhouse-Automation-Waveshare-ESP32-S3
- [STM32_FreeRTOS_W5500_TCP_Server](https://maker.wiznet.io/mason/projects/stm32-freertos-w5500-tcp-server/) (UCC, 2026-07-21): STM32_FreeRTOS_W5500_TCP_Server
- [ESP32_W5500_device](https://maker.wiznet.io/mason/projects/esp32-w5500-device/) (UCC, 2026-07-21): ESP32_W5500_device
- [servimetro-esp32](https://maker.wiznet.io/mason/projects/servimetro-esp32/) (UCC, 2026-07-21): servimetro-esp32
- [JWPLC Basic 2.0.0](https://maker.wiznet.io/scott/resellers/jwplc-basic-2-0-0/) (VAR, 2026-07-20): JWPLC Basic – The Peru-Built ESP32+W5500 Industrial PLC That Reached Both a University Classroom and a Laundry Plant
- [platform-jwplc](https://maker.wiznet.io/scott/projects/platform-jwplc/) (UCC, 2026-07-20): JWPLC Basic: An Open-Source Industrial PLC Board Package Built on ESP32 and W5500
- [core-micro](https://maker.wiznet.io/jaden/projects/core-micro/) (UCC, 2026-07-20): lighting controller
- [streamline blade ethernet](https://maker.wiznet.io/jaden/projects/streamline-blade-ethernet/) (UCC, 2026-07-20): W5500 streamline ethernet
- [Open-Source Platform for Server Room Environmental Monitoring : sensormeter-poe](https://maker.wiznet.io/lawrence/projects/open-source-platform-for-server-room-environmental-monitoring--sensormeter-poe/) (UCC, 2026-07-19): Dedicated PoE environmental sensors for server rooms and network closets — the kind that speak SNMP and integrate directly with PRTG and Zabbix
- [W5500 and ESP-NOW Moto Gymkhana Timer: One Trigger, Two Paths](https://maker.wiznet.io/Benjamin/projects/w5500-and-esp-now-moto-gymkhana-timer-one-trigger-two-paths/) (UCC, 2026-07-19): MGTS sends each photoelectric START and STOP event over ESP-NOW and W5500 UDP, then applies shared duplicate guards in an ESP32-C6 timing core.
- [How Does W5500 Fit an AI-Enabled IoT Box Substation?](https://maker.wiznet.io/Benjamin/projects/how-does-w5500-fit-an-ai-enabled-iot-box-substation/) (UCC, 2026-07-19): CN120262698A places W5500 Ethernet beside STM32H743 edge diagnosis, adaptive sensing, wireless failover, and cloud-trained fault models.
- [Mega Solar Tracker](https://maker.wiznet.io/scott/projects/mega-solar-tracker/) (UCC, 2026-07-16): Mega Solar Tracker: Beating Clouds with GPS and W5500
- [Adding W5500 Ethernet to the Cardputer ADV with the Official Bruce Wiring Guide](https://maker.wiznet.io/sophia/projects/adding-w5500-ethernet-to-the-cardputer-adv-with-the-official-bruce-wiring-guide/) (UCC, 2026-07-16): wiring instructions for connecting a WIZnet W5500 Ethernet module to the M5Stack Cardputer ADV
- [PBL-MK2025055SB001-ESP32-ModbusTCP](https://maker.wiznet.io/scott/projects/pbl-mk2025055sb001-esp32-modbustcp/) (UCC, 2026-07-16): PBL-MK2025055SB001: Face Detection & Assembly Station SCADA — Where a Face Becomes the Access Key
- [MESHCN Firmware: Extending an Off-Grid LoRa Mesh Network with W5100S Ethernet](https://maker.wiznet.io/sophia/projects/meshcn-firmware-extending-an-off-grid-lora-mesh-network-with-w5100s-ethernet/) (UCC, 2026-07-16): LoRa mesh networking platform designed to exchange text messages, location data, and telemetry without relying on Internet or cellular infrastructure
- [How Could W5500 Ethernet Improve an ESP32 LoRa Smart Dairy Farm Gateway?](https://maker.wiznet.io/sophia/projects/how-could-w5500-ethernet-improve-an-esp32-lora-smart-dairy-farm-gateway/) (UCC, 2026-07-16): The Smart Farm System is an ESP32 and LoRa-based platform for monitoring cow health, location, activity, and milk quality.
- [Cardputer ADV Multi-interface Expansion with CC1101, NR24L01, LoRa, and W5500 Ethernet](https://maker.wiznet.io/sophia/projects/cardputer-adv-multi-interface-expansion-with-cc1101-nr24l01-lora-and-w5500-ethernet/) (UCC, 2026-07-16): This project modifies Bruce firmware for the M5Stack Cardputer ADV to support CC1101, NRF24L01, LoRa, and W5500 Ethernet modules on one portable device.
- [OpenJBOD: An Open-Source Network-Managed JBOD Controller with RP2040 and W5500](https://maker.wiznet.io/sophia/projects/openjbod-an-open-source-network-managed-jbod-controller-with-rp2040-and-w5500/) (UCC, 2026-07-16): Its controller board combines an RP2040 MCU with the WIZnet W5500 Ethernet controller and supports standard ATX power supplies and power-only SAS expanders.
- [KinCony MT4 ESP32-S3 4 Channel DC Motor Controller](https://maker.wiznet.io/viktor/resellers/kincony-mt4-esp32-s3-4-channel-dc-motor-controller/) (VAR, 2026-07-15): KinCony MT4 ESP32-S3 4 Channel DC Motor Controller
- [rs-matter-embassy](https://maker.wiznet.io/TheoIm/projects/rs-matter-embassy/) (UCC, 2026-07-14): This project demonstrates a Matter-over-Ethernet device running on a stock Raspberry Pi Pico, a board without built-in Wi-Fi or Ethernet.
- [LoRaWAN-to-Ethernet Automation Gateway with W5500 and RFM95](https://maker.wiznet.io/sophia/projects/lorawan-to-ethernet-automation-gateway-with-w5500-and-rfm95/) (UCC, 2026-07-13): lab@home: An Open-Source Automation Learning Platform Supporting W5500 Ethernet and RFM95 LoRaWAN
- [STM32-W5500-Embedded-WebServer: Embedded HTTP Web Server on Custom STM32F446RCTx Board](https://maker.wiznet.io/lawrence/projects/stm32-w5500-embedded-webserver-embedded-http-web-server-on-custom-stm32f446rctx-board/) (UCC, 2026-07-12): An end-to-end embedded web server built from scratch on a custom PCB — serving a login page and an Industrial IoT dashboard straight out of Flash memory, with z
- [Using W5500 with CM4 + CM4IO board (CM4 + CM4IO 보드에서 W5500 사용하기)](https://maker.wiznet.io/gunn/projects/using-w5500-with-cm4-cm4io-board-cm4-cm4io--w5500-/) (UCC, 2026-07-10): A user on the Raspberry Pi forum resolved intermittent boot failures with a W5500 SPI Ethernet module on a CM4+CM4IO board by powering it from a separate extern
- [CONTROL_POWER_MQTT](https://maker.wiznet.io/scott/projects/control-power-mqtt/) (UCC, 2026-07-10): CONTROL_POWER_MQTT: A 4-Channel Remote Power Control System Built on Arduino Mega and W5100/W5500
- [How to Add TCP/UDP Ethernet with W5500 on Analog Devices no-OS?](https://maker.wiznet.io/viktor/projects/how-to-add-tcp-udp-ethernet-with-w5500-on-analog-devices-no-os/) (UCC, 2026-07-09): Analog Devices no-OS is a bare-metal embedded software framework for running ADI device drivers
- [HorizonPLC](https://maker.wiznet.io/scott/projects/horizonplc/) (UCC, 2026-07-09): HorizonPLC: A Modular Open-Source PLC Framework Built in Espruino JavaScript
- [LoRa TPMS Gateway with W5500](https://maker.wiznet.io/sophia/projects/lora-tpms-gateway-with-w5500/) (UCC, 2026-07-09): Fleet and Mining Vehicle Tire Data over Reliable Ethernet
- [How Does Pico 2W Use W5500 Ethernet for CircuitPython MQTT?](https://maker.wiznet.io/Benjamin/projects/how-does-pico-2w-use-w5500-ethernet-for-circuitpython-mqtt/) (UCC, 2026-07-09): Haljion shows Raspberry Pi Pico 2W using Adafruit W5500 over SPI and CircuitPython MiniMQTT to subscribe to a local broker over wired LAN.
- [How Does W5500 Help MODLINK Become an AAS-Ready Industrial Gateway?](https://maker.wiznet.io/Benjamin/projects/how-does-w5500-help-modlink-become-an-aas-ready-industrial-gateway/) (UCC, 2026-07-09): AAS_Dev adds AAS metamodel, MQTT, HTTP, and W5500 Ethernet paths to MUFFIN firmware for MODLINK/MT11 industrial gateway development.
- [How Does W5500 Carry OEE Telemetry from ESP32 to a FastAPI Dashboard?](https://maker.wiznet.io/Benjamin/projects/how-does-w5500-carry-oee-telemetry-from-esp32-to-a-fastapi-dashboard/) (UCC, 2026-07-09): OEE_Public uses ESP32-S3, W5500 Ethernet, SD logging, FastAPI, SQLite, and React to move factory machine states into an OEE dashboard.
- [W5500 Raspberry Pi Pico Audio ML Fire Alarm with WhatsApp Alerts](https://maker.wiznet.io/Benjamin/projects/w5500-raspberry-pi-pico-audio-ml-fire-alarm-with-whatsapp-alerts/) (UCC, 2026-07-08): A Raspberry Pi Pico, W5500, INMP441, TFLite Micro, and CallMeBot path detects fire alarm audio locally and sends WhatsApp alerts over Ethernet.
- [BACnetLight](https://maker.wiznet.io/mason/projects/bacnetlight/) (UCC, 2026-07-08): BACnetLight
- [MqttTemplates](https://maker.wiznet.io/mason/projects/mqtttemplates/) (UCC, 2026-07-08): MqttTemplates
- [netclient](https://maker.wiznet.io/mason/projects/netclient/) (UCC, 2026-07-08): netclient
- [How Does a WIZnet-Based Arduino Ethernet Shield Fit into a Smart PLC Patent?](https://maker.wiznet.io/Benjamin/projects/how-does-a-wiznet-based-arduino-ethernet-shield-fit-into-a-smart-plc-patent/) (UCC, 2026-07-08): US11269308B2 lists a generic Ethernet Shield in a smart PLC architecture. Arduino W5100/W5500 shields show one possible WIZnet path.
- [ESP32 + W5500 + TFT 기반 HWANHEE NET-CHECKER 제작기](https://maker.wiznet.io/TheoIm/projects/----esp32----net-checker/) (UCC, 2026-07-07): HWANHEE NET-CHECKER: ESP32+W5500 handheld LAN tester for quick on-site IP, gateway, DNS, and loop checks.
- [esp32-s3-w5500-gopro-ble-livestream](https://maker.wiznet.io/lawrence/projects/esp32-s3-w5500-gopro-ble-livestream/) (UCC, 2026-07-06): A single PoE cable delivers power, control, and 1080p live video — automatically. Here's how we built a GoPro-to-Ethernet bridge with BLE, a Wi-Fi Soft-AP, and
- [How Does W5500 Stream 8-Channel RF Data for Drone Detection?](https://maker.wiznet.io/Benjamin/projects/how-does-w5500-stream-8-channel-rf-data-for-drone-detection/) (UCC, 2026-07-06): A Zhejiang University patent uses STM32, AD7606, and W5500 Ethernet to stream 8-channel RF data into CNN-based drone detection.
- [How Does W5500 Ethernet Support an AI Grain-Pest Patent?](https://maker.wiznet.io/Benjamin/projects/how-does-w5500-ethernet-support-an-ai-grain-pest-patent/) (UCC, 2026-07-06): A Jiangsu University patent uses W5500 Ethernet to move CMOS pest images from an MCU capture node to a PC and cloud MDRN classifier.
- [esp_thuydien](https://maker.wiznet.io/scott/projects/esp-thuydien/) (UCC, 2026-07-03): Never Lose a Reading: An ESP32-S3 + W5500 Remote Monitoring System for a Vietnamese Hydropower Station
- [PiKVM](https://maker.wiznet.io/mason/projects/pikvm/) (UCC, 2026-07-03): PiKVM
- [Nova---a-LoRa-Mesh-System](https://maker.wiznet.io/mason/projects/nova-a-lora-mesh-system/) (UCC, 2026-07-03): Nova---a-LoRa-Mesh-System
- [How Does Joypad OS Combine W5500 GameCube Ethernet and AI Controller Tools?](https://maker.wiznet.io/Benjamin/projects/how-does-joypad-os-combine-w5500-gamecube-ethernet-and-ai-controller-tools/) (UCC, 2026-07-03): Joypad OS 2.2 pairs an experimental W5500 GBA-to-Dolphin bridge with separate UART-based MCP and emulator AI controller tools.
- [EnergyMonitoringSoftware](https://maker.wiznet.io/scott/projects/energymonitoringsoftware/) (UCC, 2026-07-03): EnergyMonitoringSoftware: A W5500-Based ESP32 Gateway That Unifies Mixed-Brand Power Meters
- [SMART K1 — an ESP32-based controller with REST, syslog, and lots of open source](https://maker.wiznet.io/gunn/projects/smart-k1--an-esp32-based-controller-with-rest-syslog-and-lots-of-open-source/) (UCC, 2026-07-03): SMART K1 — an ESP32-based controller with REST, syslog, and lots of open source
- [Smart Home Energy Management Controller with the Waveshare ESP32-S3-POE-ETH](https://maker.wiznet.io/viktor/projects/smart-home-energy-management-controller-with-the-waveshare-esp32-s3-poe-eth/) (UCC, 2026-07-03): open-source ESPHome configuration project that turns a Waveshare ESP32-S3-POE-ETH-8DI-8RO into a capable, production-ready Home Energy Management controller
- [Hörmann SupraMatic E2: Wired Home Assistant Garage Door Controller Using ESP32-S3 and W5500](https://maker.wiznet.io/Aimee0/projects/hoermann-supramatic-e2-esphome/) (UCC, 2026-07-03): Hörmann SupraMatic E2: Wired Home Assistant Garage Door Controller Using ESP32-S3 and W5500
- [OSC-KEYPAD-ONYX](https://maker.wiznet.io/TheoIm/projects/osc-keypad-onyx/) (UCC, 2026-07-01): This project converts a USB keypad into a wired ONYX playback controller. An ESP32-S3 receives USB HID key events, maps them to ONYX OSC playback executors.
- [novastar_Uno_Interface](https://maker.wiznet.io/TheoIm/projects/novastar-uno-interface/) (UCC, 2026-07-01): This project bridges Art-Net DMX to NovaStar TCP control using an Arduino-compatible MCU and a W5500 Ethernet interface, enabling reliable wired LED screen.
- [Ethernet Retrofit for Heating & Home Monitoring](https://maker.wiznet.io/sophia/projects/ethernet-retrofit-for-heating-home-monitoring/) (UCC, 2026-06-30): Arduino Mega 2560 + Wiznet W5100 Ethernet Shield 기반의 온도·습도·난방 모니터링 시스템
- [OpenAlerting LoRa Gateway with ESR-US1 W5500](https://maker.wiznet.io/sophia/projects/openalerting-lora-gateway-with-esr-us1-w5500/) (UCC, 2026-06-30): Atmega2560 + RFM95 LoRa + ESR-US1 W5500 Ethernet으로 만든 LoRa Gateway 프로젝트
- [P-Linked](https://maker.wiznet.io/Grace_Koo/projects/p-linked/) (UCC, 2026-06-30): A powerline + Matter smart-home capstone that turns wall outlets into the network. A homemade W5500 PCB is the key bridge.
- [Windows CE Dreamcast Community Edition with Experimental Ethernet Link Shim](https://maker.wiznet.io/josephsr/projects/windows-ce-dreamcast-community-edition-with-experimental-ethernet-link-shim/) (UCC, 2026-06-29): A self-contained Dreamcast Windows CE image that exposes a desktop shell and experiments with BBA/W5500 Ethernet through a custom mppp.dll link adapter.
- [TNN Smart Control](https://maker.wiznet.io/irina/projects/tnn-smart-control/) (UCC, 2026-06-29): Two-tier LAN relay control by @anhtn1980 (developed in Vietnam). ESP32+W5500 web UI bridges TCP to an Arduino MEGA2560+W5500 driving 16 RS485 relays.
- [Telechips-ADAS-Project](https://maker.wiznet.io/irina/projects/telechips-adas-project/) (UCC, 2026-06-29): ADAS prototype: STM32+RPi FreeRTOS control (SCC/LFA/MCB), ported to a Telechips VCP-G board with W5500 Ethernet. Educational project.
- [How to Implement OpenPLC on STM32 with W5500 Ethernet and Modbus TCP](https://maker.wiznet.io/jakelee/projects/how-to-implement-openplc-on-stm32-with-w5500-ethernet-and-modbus-tcp/) (UCC, 2026-06-29): OpenPLC natively supports W5100 and W5500 Ethernet controllers, enabling Modbus TCP on STM32 using the Arduino Ethernet API.
- [Eyes in the Sky: Building a 24/7 Aerostat Sensor Hub with Arduino Mega, ESP32, and WIZnet W5500](https://maker.wiznet.io/viktor/projects/eyes-in-the-sky-building-a-24-7-aerostat-sensor-hub-with-arduino-mega-esp32-and-wiznet-w5500/) (UCC, 2026-06-26): Eyes in the Sky: Building a 24/7 Aerostat Sensor Hub with Arduino Mega, ESP32, and WIZnet W5500
- [ZapTrace and the WIZnet W5500: AI-Native PCB Design with First-Class Ethernet Support](https://maker.wiznet.io/viktor/projects/zaptrace-and-the-wiznet-w5500-ai-native-pcb-design-with-first-class-ethernet-support/) (UCC, 2026-06-26): ZapTrace and the WIZnet W5500: AI-Native PCB Design with First-Class Ethernet Support
- [How Does Hawk Use W5500 Ethernet for Low-Power Appliance Recognition?](https://maker.wiznet.io/Benjamin/projects/how-does-hawk-use-w5500-ethernet-for-low-power-appliance-recognition/) (UCC, 2026-06-26): Hawk is a SenSys 2024 ML system that uses ESP32/W5500 waveform acquisition and FFT-XGBoost to recognize low-power appliance events.
- [How Does an ESPHome W5500 PoE Door Lock Use TOTP and MQTT Face Recognition?](https://maker.wiznet.io/Benjamin/projects/how-does-an-esphome-w5500-poe-door-lock-use-totp-and-mqtt-face-recognition/) (UCC, 2026-06-26): This ESPHome door lock combines W5500 Ethernet with a separate PoE adapter, rotating TOTP codes, MQTT face events, and UDP door-state checks.
- [How Does MultiSensor-V2 Use W5500 PoE for HA Voice?](https://maker.wiznet.io/Benjamin/projects/how-does-multisensor-v2-use-w5500-poe-for-ha-voice/) (UCC, 2026-06-26): MultiSensor-V2 evolves Carletz MultiSensor, a W5500 Ethernet and PoE-powered room node, with revised sensing, local wake-word AI, audio, IR, and HA Assist.
- [How Does W5500 Fit into an STM32 Predictive Maintenance Datalogger?](https://maker.wiznet.io/Benjamin/projects/how-does-w5500-fit-into-an-stm32-predictive-maintenance-datalogger/) (UCC, 2026-06-26): This STM32F407 datalogger scaffold assigns W5500 over SPI for Modbus TCP and web access, while sensors, FreeRTOS, and FATFS frame predictive maintenance.
- [A Matter Water-Tank Controller That Never Drops: W5500 Wired/Wi-Fi Redundancy](https://maker.wiznet.io/Grace_Koo/projects/relay-2way--matter-/) (UCC, 2026-06-25): Matter water-tank refill controller on ESP32-S3 with WIZnet W5500 — wired-first Ethernet, auto Wi-Fi fallback. Works with Apple, Google, HA, Alexa.
- [Drop-Ceiling-Controller](https://maker.wiznet.io/Grace_Koo/projects/drop-ceiling-controller/) (UCC, 2026-06-25): An 8-channel controller that turns ArtNet into 0-10V dimming over W5500 wired Ethernet.
- [ESP32_S3_DevKitC_1_N8R8_Solar_Controller_4.9](https://maker.wiznet.io/TheoIm/projects/esp32-s3-devkitc-1-n8r8-solar-controller-4-9/) (UCC, 2026-06-25): An ESP32-S3 solar heating controller using the W5500 for reliable Ethernet monitoring and remote pump control in residential thermal systems.
- [xtrsdr](https://maker.wiznet.io/TheoIm/projects/xtrsdr/) (UCC, 2026-06-24): 이 프로젝트는 ESP32-S2에 RTL-SDR USB 동글을 직접 연결하고, 수신한 IQ 샘플을 rtl_tcp 형식으로 네트워크에 내보내는 실험형 SDR 수신기입니다.
- [How Does DEYE GE-F128 ESS Expose W5500 for TCP/IP Diagnostics?](https://maker.wiznet.io/Benjamin/resellers/how-does-deye-ge-f128-ess-expose-w5500-for-tcp-ip-diagnostics/) (VAR, 2026-06-24): DEYE GE-F128 ESS manuals link optional RJ45 Ethernet, TCP/IP and Modbus support, and F055 W5500 SPI communication failure.
- [How Does Lingkong LK3U/ZK3U Use W5500 for PLC Ethernet?](https://maker.wiznet.io/Benjamin/resellers/how-does-lingkong-lk3u-zk3u-use-w5500-for-plc-ethernet/) (VAR, 2026-06-24): Lingkong LK3U/ZK3U manuals expose W5500 ENET readiness, version registers, Modbus TCP, SNTP, and Ethernet fault codes.
- [s7comm-auditor-tool](https://maker.wiznet.io/mason/projects/s7comm-auditor-tool/) (UCC, 2026-06-24): s7comm-auditor-tool
- [bme280_logging](https://maker.wiznet.io/mason/projects/bme280-logging/) (UCC, 2026-06-24): bme280_logging
- [STM32H750 + W5500 PLC TCP Server](https://maker.wiznet.io/sophia/projects/stm32h750-w5500-plc-tcp-server/) (UCC, 2026-06-24): STM32H750 + W5500 PLC TCP Server
- [LoRa Datalogger with W5500 Host](https://maker.wiznet.io/sophia/projects/lora-datalogger-with-w5500-host/) (UCC, 2026-06-24): LoRa Datalogger with W5500 Host: 무선 센서 데이터를 유선 Ethernet으로 수집하는 Edge Gateway
- [How Does STM32F103 Use W5500 for Custom MQTT and OneNET IoT?](https://maker.wiznet.io/Benjamin/projects/how-does-stm32f103-use-w5500-for-custom-mqtt-and-onenet-iot/) (UCC, 2026-06-22): STM32F103 firmware adds a W5500 SPI port, FreeRTOS tasks, and custom MQTT transport for wired OneNET sensor telemetry.
- [STM32 Bootloader Workspace for Multi-Image Firmware Isolation](https://maker.wiznet.io/josephsr/projects/stm32-bootloader-workspace-for-multi-image-firmware-isolation/) (UCC, 2026-06-22): A STM32 firmware architecture workspace showing bootloader handoff, multi-image partitioning, and team-level binary isolation, with W5500 only partially prepare
- [HeavyButter-Bruce-F0rK: A Hardened Bruce Firmware Fork for ESP32 Security Devices](https://maker.wiznet.io/josephsr/projects/heavybutter-bruce-f0rk-a-hardened-bruce-firmware-fork-for-esp32-security-devices/) (UCC, 2026-06-22): An ESP32 Bruce firmware fork focused on reducing risky defaults, exposed credentials, unsafe remote access, and runtime attack surfaces.
- [How to Connect an EM540 Energy Meter to VenusOS Cerbo GX with W5500](https://maker.wiznet.io/jakelee/projects/how-to-connect-an-em540-energy-meter-to-venusos-cerbo-gx-with-w5500/) (UCC, 2026-06-22): Custom W5500-based Modbus TCP client enables EM540 energy meter integration with Victron Cerbo GX and VenusOS.
- [Pico-LLDP](https://maker.wiznet.io/Grace_Koo/projects/pico-lldp/) (UCC, 2026-06-19): A portable cable tester using Pico W and W5500 MACRAW mode to capture LLDP frames and display connected switch info — manufacturer, port, and IP — on a 2×16 LCD
- [How Can W5500 Ethernet Validate a Go LwM2M Server for Edge Routers?](https://maker.wiznet.io/Benjamin/projects/how-can-w5500-ethernet-validate-a-go-lwm2m-server-for-edge-routers/) (UCC, 2026-06-19): Bruce Lam's Go LwM2M server covers CoAP, DTLS-PSK, registration, read/write, and observe flows, with W5500 Ethernet tested through Zephyr.
- [How to Control a Server with ESP32 and W5500 Ethernet?](https://maker.wiznet.io/Benjamin/projects/how-to-control-a-server-with-esp32-and-w5500-ethernet/) (UCC, 2026-06-19): ESP32 firmware uses W5500 Ethernet for local REST, MQTT, and Redfish control of a home server, router, and NAS from TV and web dashboards.
- [Sheath-Current-Acquisition](https://maker.wiznet.io/TheoIm/projects/sheath-current-acquisition/) (UCC, 2026-06-19): AI-powered sheath current monitoring using STM32F407 and W5500 for real-time analysis, fault detection, and predictive maintenance.
- [STM32 + W5500 Modbus TCP Server: A Practical Ethernet Reference for Industrial Devices](https://maker.wiznet.io/sophia/projects/stm32-w5500-modbus-tcp-server-a-practical-ethernet-reference-for-industrial-devices/) (UCC, 2026-06-19): a Modbus TCP Server, also known as a Modbus TCP Slave, on an STM32 microcontroller using the WIZnet W5500 Ethernet controller
- [W5500 + FreeRTOS-Based 8-Channel Industrial Digital Input Acquisition Module](https://maker.wiznet.io/sophia/projects/w5500-freertos--8-----/) (UCC, 2026-06-19): 공장이나 설비에서 들어오는 ON/OFF 신호를 8개까지 읽어서 Ethernet으로 보내는 장치
- [ESP32-Watchman](https://maker.wiznet.io/mason/projects/esp32-watchman/) (UCC, 2026-06-18): ESP32-Watchman
- [M5-Devices-ACE](https://maker.wiznet.io/mason/projects/m5-devices-ace/) (UCC, 2026-06-18): M5-Devices-ACE
- [waveshare_lct_industrial_server](https://maker.wiznet.io/mason/projects/waveshare-lct-industrial-server/) (UCC, 2026-06-18): waveshare_lct_industrial_server
- [esp32-deskflow-client](https://maker.wiznet.io/mason/projects/esp32-deskflow-client/) (UCC, 2026-06-18): esp32-deskflow-client
- [How Does Weidmuller Weidos Use W5500 Ethernet for Open-Source Industrial IoT?](https://maker.wiznet.io/Benjamin/resellers/how-does-weidmuller-weidos-use-w5500-ethernet-for-open-source-industrial-iot/) (VAR, 2026-06-18): Weidos is a Weidmuller open-source industrial IoT controller family using W5500 Ethernet with Arduino MKR1010 or ESP32 cores.
- [How Does Greenox DeltaVision Use W5500 Ethernet for AI Vision Delta Robots?](https://maker.wiznet.io/Benjamin/resellers/how-does-greenox-deltavision-use-w5500-ethernet-for-ai-vision-delta-robots/) (VAR, 2026-06-18): Greenox DeltaVision separates AI vision planning from W5500 Ethernet motion control in an INR 750,000 3-axis pick-and-place system.
- [How Does a Smart Vending Machine Authenticate Purchases Over Ethernet with WIZnet W5500?](https://maker.wiznet.io/Benjamin/projects/how-does-a-smart-vending-machine-authenticate-purchases-over-ethernet-with-wiznet-w5500/) (UCC, 2026-06-18): Four AVR microcontrollers and a WIZnet W5500 Ethernet chip power this cashless vending machine; 10 units were deployed at Rajasthan IT Day 2017.
- [How to Add Wired Ethernet to an ESP32 Industrial GSM Controller: Sensoper SC-G8 with WIZnet W5500?](https://maker.wiznet.io/Benjamin/resellers/how-to-add-wired-ethernet-to-an-esp32-industrial-gsm-controller-sensoper-sc-g8-with-wiznet-w5500/) (VAR, 2026-06-18): The Sensoper SC-G8 is an ESP32 industrial controller that, alone in its GSM series, adds wired Ethernet via the WIZnet W5500 next to GSM/LTE and RS-485 Modbus.
- [OneFader](https://maker.wiznet.io/Aimee0/projects/onefader/) (UCC, 2026-06-18): OneFader turns a volume control slider into Ethernet-based lighting control data using sACN, OSC, and Sig-Net protocols.
- [AR22 LCU: W5500 Ethernet TCP Dose Logging on a Dual-Range STM32F446 Radiation Detector](https://maker.wiznet.io/Benjamin/projects/ar22-lcu-w5500-ethernet-tcp-dose-logging-on-a-dual-range-stm32f446-radiation-detector/) (UCC, 2026-06-17): AR22 LCU v1.1 adds W5500 TCP logging to an STM32F446 gamma detector, streaming live dose-rate JSON without disturbing the core firmware.
- [How to Build a Zigbee Smart Switch System with W5500 Ethernet Backhaul on ESP32-C3?](https://maker.wiznet.io/Benjamin/projects/how-to-build-a-zigbee-smart-switch-system-with-w5500-ethernet-backhaul-on-esp32-c3/) (UCC, 2026-06-17): W5500 Ethernet connects an ESP32-C3 Zigbee coordinator to a Raspberry Pi MQTT broker, letting XBee3 relay nodes switch AC loads reliably without Wi-Fi.
- [W5500LinuxDriver](https://maker.wiznet.io/mason/projects/w5500linuxdriver/) (UCC, 2026-06-17): W5500LinuxDriver
- [How to Build an Interrupt-Driven W5500 UDP Server on STM32F4 with FreeRTOS and ioLibrary](https://maker.wiznet.io/Benjamin/projects/how-to-build-an-interrupt-driven-w5500-udp-server-on-stm32f4-with-freertos-and-iolibrary/) (UCC, 2026-06-17): An STM32F407 and WIZnet W5500 UDP echo server on FreeRTOS, using the ioLibrary hardware sockets with interrupt-driven receive over SPI.
- [How to Use Both Cellular and Ethernet in a Single Zephyr App with nRF9151 + W5500](https://maker.wiznet.io/Grace_Koo/projects/zephyr-socket-dispatching-eth-and-cell-example/) (UCC, 2026-06-16): A Zephyr example using nRF9151 cellular and W5500 wired Ethernet together, solving the offload vs native socket conflict with the Socket Dispatcher.
- [M5AtomPoeArtnet2DMX](https://maker.wiznet.io/Grace_Koo/projects/m5atompoeartnet2dmx/) (UCC, 2026-06-16): A tiny lighting bridge stacking a W5500 PoE base on an M5Stack Atom Lite to convert Art-Net and DMX512 both ways, powered over a single LAN cable.
- [SmartGarden](https://maker.wiznet.io/mason/projects/smartgarden/) (UCC, 2026-06-16): SmartGarden
- [R PRO-1 PoE dual mmWave Multisensor (LD2450 | additional LD2412 optional)](https://maker.wiznet.io/matthew/resellers/r-pro-1-poe-dual-mmwave-multisensor-ld2450-additional-ld2412-optional/) (VAR, 2026-06-15): A PoE dual mmWave multisensor with confirmed ESP32-S3 and W5500 Ethernet configuration, supporting presence detection, environmental sensing, and Home Assistant
- [Konnected Alarm Panel Pro 12-Zone Conversion Kit](https://maker.wiznet.io/matthew/resellers/konnected-alarm-panel-pro-12-zone-conversion-kit/) (VAR, 2026-06-15): An ESP32 + W5500 Ethernet/PoE smart alarm panel that connects existing wired security sensors and sirens to SmartThings, Home Assistant, Hubitat, and more.
- [Dreamcast W5500 Ethernet Adapter Wiring Guide](https://maker.wiznet.io/josephsr/projects/dreamcast-w5500-ethernet-adapter-wiring-guide/) (UCC, 2026-06-12): A hardware wiring guide for connecting a WIZnet W5500 Ethernet module to Sega Dreamcast through the serial interface.
- [mirea-rp2040](https://maker.wiznet.io/TheoIm/projects/mirea-rp2040/) (UCC, 2026-06-12): RP2040 + W5500 OPC UA server using FreeRTOS, ioLibrary, MQTT, DHCP, and open62541 — demonstrating Industrial IoT connectivity on a resource-constrained MCU.
- [f411_io_mod](https://maker.wiznet.io/Grace_Koo/projects/f411-io-mod/) (UCC, 2026-06-12): STM32F411 + W5500 IO controller running MQTT, REST API, Modbus TCP, and a web dashboard on FreeRTOS via Mongoose — all in one open-source firmware.
- [Industrial IoT Gateway (Field-to-Cloud) Using Dual-Port SP23](https://maker.wiznet.io/Grace_Koo/projects/industrial-iot-gateway-field-to-cloud-using-dual-port-sp23/) (UCC, 2026-06-12): A dual-port IIoT gateway using SP2302's built-in Ethernet for cloud and WIZ850io W5500 via SPI for isolated Modbus field device communication.
- [MattzoControllers](https://maker.wiznet.io/Aimee0/projects/mattzocontrollers/) (UCC, 2026-06-11): MattzoControllers is an open-source ESP32 train automation platform linking LEGO BLE trains to Rocrail via MQTT, with W5500 Ethernet support.
- [esphome-smartevse-sensorbox-linky](https://maker.wiznet.io/mason/projects/esphome-smartevse-sensorbox-linky/) (UCC, 2026-06-11): esphome-smartevse-sensorbox-linky
- [BetterFrame ioBOX: A PoE-Powered ESP32-S3 + WIZnet W5500 IO Controller for Smart Display Systems](https://maker.wiznet.io/viktor/projects/betterframe/) (UCC, 2026-06-11): BetterFrame ioBOX: A PoE-Powered ESP32-S3 + WIZnet W5500 IO Controller for Smart Display Systems
- [esphome-tailscale](https://maker.wiznet.io/mason/projects/esphome-tailscale/) (UCC, 2026-06-11): esphome-tailscale
- [DC 7-28V Modbus RTU Network Relay Module W5500 Ethernet LAN Controller](https://maker.wiznet.io/sophia/resellers/dc-7-28v-modbus-rtu-network-relay-module-w5500-ethernet-lan-controller/) (VAR, 2026-06-10): Modbus RTU Network Relay Module W5500 Ethernet LAN Controller equipped with mature and stable 32-bit MCU and W5500 all-hardware TCP/IP protocol stack network
- [SMLIGHT SLZB-06p10U: A W5500-Based Zigbee/Thread Ethernet PoE Smart Home Coordinator](https://maker.wiznet.io/sophia/resellers/smlight-slzb-06p10u-a-w5500-based-zigbee-thread-ethernet-poe-smart-home-coordinator/) (VAR, 2026-06-10): a smart home network coordinator that connects Zigbee 3.0 and Thread networks to Ethernet, Wi-Fi, or USB infrastructure
- [Extending nRF52840 BLE SoC with W5500 Ethernet Connectivity](https://maker.wiznet.io/teamprof/projects/extending-nrf52840-ble-soc-with-w5500-ethernet-connectivity/) (UCC, 2026-06-08): Leverages the ProMicro52840 with the WIZnet W5500 to implement an Internet application that pings Google DNS every 5 seconds.
- [Sensy One E1 Pro Multi Sense](https://maker.wiznet.io/matthew/resellers/sensy-one-e1-pro-multi-sense/) (VAR, 2026-06-08): A PoE/Wi-Fi mmWave presence sensor for Home Assistant, supporting presence detection, light/UV sensing, air-quality add-ons, and local automation.
- [Modbus RTU-to-TCP Gateway with W5500 and STM32](https://maker.wiznet.io/jakelee/resellers/modbus-rtu-to-tcp-gateway-with-w5500-and-stm32/) (VAR, 2026-06-07): W5500 and STM32 enable seamless Modbus RTU-to-TCP conversion, bridging RS485 devices to Ethernet industrial networks.
- [W5500 PoE Drainage Gauge for Smart Irrigation](https://maker.wiznet.io/Benjamin/projects/w5500-poe-drainage-gauge-for-smart-irrigation/) (UCC, 2026-06-05): W5500 PoE node reports drainage volume over MQTT and UECS-CCM.
- [nRF9160とSPI有線LANモジュール(W5500,enc28j60,enc624j600)でLTE-ETHERNET-GATEWAYを作った話。](https://maker.wiznet.io/scott/projects/nrf9160spilan-w5500enc28j60enc624j600-lte-ethernet-gateway/) (UCC, 2026-06-05): Bridging Cellular to Wired LAN: An nRF9160 LTE Gateway with the W5500

## Related forum questions

- [W5500 10BASE-T compliance test: how to transmit continuous test data (min IPG / random / all-ones)?](https://maker.wiznet.io/forum/16185) (2026-10-26, 0 replies)
- [W5500을 사용하는 중 PHY Link에 문제가 발생하고 있습니다.](https://maker.wiznet.io/forum/16141) (2026-08-19, 3 replies)
- [W5500 communication failure](https://maker.wiznet.io/forum/16125) (2026-07-25, 1 replies)
- [Proper way to change an IP address (W5500)](https://maker.wiznet.io/forum/16107) (2026-06-25, 1 replies)
- [Error in Wiznet 5500 Schematic?](https://maker.wiznet.io/forum/16099) (2026-06-23, 3 replies)
- [W5500 Implementation With External Transformer](https://maker.wiznet.io/forum/16096) (2026-06-16, 0 replies)
- [Are the W5500 products we have original or fake ?](https://maker.wiznet.io/forum/16095) (2026-06-12, 1 replies)
- [W5500 Ethernet Link Failure on Some Units – Temperature Dependent, Fixed by Lowering Series Resistor](https://maker.wiznet.io/forum/16093) (2026-06-11, 0 replies)
- [W5500 TCP 소켓통신 오류 문제](https://maker.wiznet.io/forum/16076) (2026-05-08, 5 replies)
- [W5500 with reference RJ45 magjack design: link-up issue on custom 2-layer board](https://maker.wiznet.io/forum/16067) (2026-05-02, 0 replies)

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Source: https://maker.wiznet.io/products/w5500/