WIZ850io

An Art-Net·USB → DMX512 lighting interface on STM32 + WIZ850io (W5500), using the W5500 hardware UDP socket directly and supporting MIDI, ASCII, and MiniDMX.

This project replaces a Raspberry Pi 3B running Pi-hole with a compact DNS sinkhole built from a Seeed Studio XIAO ESP32-S3 and a WIZnet WIZ850io

The Hammer combines a 1W LoRa radio, W5500 Ethernet, PoE, and GPS to create a rugged Meshtastic-compatible mesh communication platform.

Marstek Modbus Companion

A dual-port IIoT gateway using SP2302's built-in Ethernet for cloud and WIZ850io W5500 via SPI for isolated Modbus field device communication.

MIRAGE uses WIZ850io(W5500) to send stratospheric methane data from ESP32-C5 to ground via UDP.

AASun V2 is a deployable embedded energy router integrating AC/DC sensing, power, and networking into a single DIN-rail system for real-time solar energy ctrl.

PS-NET002 is a W5500-based wired UDP hoist controller for stable industrial communication.

Teensy 3.2 reads pulse/hand sensors, drives solenoid timing, and sends OSC over UDP via WIZ850io or WiFi (ESP8266). Static IP 188.0.1.x. UDP

WIZ850io enables stable Ethernet connectivity for grblHAL CNC controllers by offloading TCP/IP to W5500 hardware, ensuring deterministic motion control.

This project unlocks a cheap NORVI Arita controller by adding a W5500 Ethernet module and OLED, transforming it into a powerful IoT hub through custom firmware.

Todoro’s CNC uses ESP32-P4 for UI, RP2350 for motion, and W5500 for Ethernet+SD—simple, stable, and fully networked CNC control.

A practical example of connecting the WIZnet W5500 Ethernet module to the SP2302 SBC using SPI to implement a full TCP server/client and UDP socket interface.

Enable dual Ethernet on SP2302 board using WIZ850io (W5500) module via SPI interface. Perfect for industrial IoT and secure networking applications.

This guide explains how to connect ESP32-CAM to the internet using a wired Ethernet connection.

This guide explains how to connect a Raspberry Pi Pico or Pico 2 to the internet using a wired Ethernet connection

ESP32 with interface ethernet using module W5500 Mini protocol HIGH SPI

RRW_LAB aka Remora RPi/W5500 LinuxCNC Adapter Board is a CNC controller board for use with LinuxCNC

Many people ask me for some examples of wired connections; in my mind, the first thing I thought of is the w5500 device, one of the most famous and powerful.

A powerful CNC motion controller

STM32F103 with WIZnet W5500