# WIZnet Makers

> WIZnet Makers (https://maker.wiznet.io/) is the maker community of WIZnet, a fabless semiconductor company that designs hardwired TCP/IP Ethernet chips (W5500, W5100S, W6100, W6300, W55RP20, W7500) and Wi-Fi modules (WizFi360). It publishes open-source IoT projects and tutorials, commercial products built with WIZnet chips, a technical Q&A forum, company news and design contests.

Most content is in English; some forum topics are in Korean (each Markdown version states its language). Every project, forum topic, news article and contest page has a plain Markdown version at its page address followed by `md`, for example `https://maker.wiznet.io/{user}/projects/{slug}/md`, `https://maker.wiznet.io/forum/{number}/md`, `https://maker.wiznet.io/{yyyy}/{mm}/{dd}/{slug}/md` and `https://maker.wiznet.io/contest/{code}/md`. Each HTML page also links to it with `<link rel="alternate" type="text/markdown">`. When you quote or cite, please link to the HTML page address.

## Main sections

- [UCC: User Created Content](https://maker.wiznet.io/ucc/): open-source projects and tutorials by the community (5453 published)
- [VAR: Value-Added Reseller products](https://maker.wiznet.io/var/): commercial boards, modules and devices from partners that use WIZnet chips (1391 published)
- [WCC: WIZnet Created Content](https://maker.wiznet.io/wcc/): projects, application guides and reference designs by WIZnet engineers (516 published)
- [Forum](https://maker.wiznet.io/forum/): technical questions and answers about WIZnet chips, modules, boards and tools (6190 topics)
- [News](https://maker.wiznet.io/news/): product launches and company news (20 articles)
- [Contests](https://maker.wiznet.io/contest/): WIZnet design contests and the 195 projects submitted to them

## Indexes for machines

Each index lists every public item with its address, a one-line summary and its Markdown version.

- [UCC projects](https://maker.wiznet.io/llms-ucc.txt): 5453 items in 3 files (page 2 onward: https://maker.wiznet.io/llms-ucc-2.txt, https://maker.wiznet.io/llms-ucc-3.txt)
- [VAR products](https://maker.wiznet.io/llms-var.txt): 1391 items
- [WCC content](https://maker.wiznet.io/llms-wcc.txt): 516 items
- [Contest entries](https://maker.wiznet.io/llms-contest.txt): 195 items
- [Forum topics](https://maker.wiznet.io/llms-forum.txt): 6190 items in 4 files (page 2 onward: https://maker.wiznet.io/llms-forum-2.txt, https://maker.wiznet.io/llms-forum-3.txt, https://maker.wiznet.io/llms-forum-4.txt)
- [News articles](https://maker.wiznet.io/llms-news.txt): 20 items
- [XML sitemap](https://maker.wiznet.io/sitemap.xml): sitemap index for search engines
- Atom feeds of the 50 newest items: [UCC projects](https://maker.wiznet.io/feed/ucc.xml), [VAR products](https://maker.wiznet.io/feed/var.xml), [Forum topics](https://maker.wiznet.io/feed/forum.xml)

## Contests

- [WoW io Design Contest](https://maker.wiznet.io/contest/wow/) ([Markdown](https://maker.wiznet.io/contest/wow/md))
- [ioNIC Experience Program](https://maker.wiznet.io/contest/ionic/) ([Markdown](https://maker.wiznet.io/contest/ionic/md))
- [Surf5 Design Contest](https://maker.wiznet.io/contest/surf5/) ([Markdown](https://maker.wiznet.io/contest/surf5/md))
- [TOE Design Contest](https://maker.wiznet.io/contest/toe-design/) ([Markdown](https://maker.wiznet.io/contest/toe-design/md))
- [WIZnet Ethernet HAT Contest 2022](https://maker.wiznet.io/contest/wiznetethernethatcontest2022/) ([Markdown](https://maker.wiznet.io/contest/wiznetethernethatcontest2022/md))
- [WizFi360 Design Contest](https://maker.wiznet.io/contest/wizfi360/) ([Markdown](https://maker.wiznet.io/contest/wizfi360/md))

## Most viewed forum topics

- [W5500 vs. W5100 / W5200](https://maker.wiznet.io/forum/10711): Hello, I noted a different behaviour between W5500 and W5100 responding to [SYN] packet when all sockets are busy and no more connections can be accepted. While W5100 answer with a [RST] packet… ([Markdown](https://maker.wiznet.io/forum/10711/md))
- [\[Modules\] TCP 는 어떻게 테스트 해요? (UDP 포함)](https://maker.wiznet.io/forum/12692): 모듈들의 TCP 연결/통신 테스트를 위해서는 PC에서 사용할 Freeware tool 설치가 필요합니다. Tool은 Hercules 라는 tool이며, HW gruop에서 제공합니다. (아래 링크의 Download & Links 메뉴에서 다운로드 가능합니다.)… ([Markdown](https://maker.wiznet.io/forum/12692/md))
- [W5500 No PHY Link](https://maker.wiznet.io/forum/11891): I have integrated the W5500 into several projects without issue, however in a new PoE capable project I cannot get the W5500 to get a PHY Link (PHYCFGR register LINK bit is 0). I have tried using… ([Markdown](https://maker.wiznet.io/forum/11891/md))
- [TCP Server with W5500](https://maker.wiznet.io/forum/12286): Hi, I’m new with W5500. My project is to develop Ethernet-to-Serial Converter using W5500. The Evaluation board with the chip, SPI interface and RJ45 connector is in its way and I’m currently… ([Markdown](https://maker.wiznet.io/forum/12286/md))
- [TCP Example](https://maker.wiznet.io/forum/11062): Hello I would like get example c project for W5500io TCP Server, because I have no idea how wrote program for my W5500io. I write my Pseudocode example: Init function: Sn_Mr set on TCP Sn_Port0 set… ([Markdown](https://maker.wiznet.io/forum/11062/md))
- [W5500 Down/Lose Connection after some hours/days](https://maker.wiznet.io/forum/12723): Hello, I am building door lock access system based on stm32f103c8t6 Blue Pill. I use W5500 for ethernet connection to http server. Power source is 12V 3A Switching power supply then connected to… ([Markdown](https://maker.wiznet.io/forum/12723/md))
- [Target not created using Keil uVision](https://maker.wiznet.io/forum/12400): Hi, I have Wizwiki7500 board and using Keil to make a code. My OS is windows 7 64 bit. Before i can compile the example project from github and put the BIN files to the chip, but today i can’t… ([Markdown](https://maker.wiznet.io/forum/12400/md))
- [\[Modules\] How to testing TCP connections?](https://maker.wiznet.io/forum/12766): To test the TCP connection of the products, you need to install the freeware tool to use on the PC. Tool called Hercules and is provided by HW group. (You can download it from the Download & Links… ([Markdown](https://maker.wiznet.io/forum/12766/md))
- [W5500 TCP Client CONNECT problem](https://maker.wiznet.io/forum/10295): Hi, We are using the W5500 (W550io board) with a STM32f417. Until now, for testing purpose, we were working with a Terminal on PC (as a TCP Client) and the Wiznet module configured to be the TCP… ([Markdown](https://maker.wiznet.io/forum/10295/md))
- [Layout / Schematic review - reference design](https://maker.wiznet.io/forum/12297): Please can someone review and suggest any improvements?? I will follow up this post with the final design and or confirmation of if it worked or not, it should serve as a good reference design… ([Markdown](https://maker.wiznet.io/forum/12297/md))
- [DHCP basic setup and communication?](https://maker.wiznet.io/forum/10610): I have the WIZ550io that has the W5500 chip. I want to connect to the network to be able to send HTTP requests to a server. The only problem is that the data sheet doesn’t talk about how to setup… ([Markdown](https://maker.wiznet.io/forum/10610/md))
- [Link LED starts flashing when ethernet cable connected, but no network activity](https://maker.wiznet.io/forum/12328): I designed a prototype board based on this Wiznet example. I also used the Arduino Ethernet Shield 2.0 schematic as a reference to design the other parts that interface with the microcontroller… ([Markdown](https://maker.wiznet.io/forum/12328/md))
- [\[Modules\] How to testing TCP connections?](https://maker.wiznet.io/forum/4278): To test the TCP connection of the products, you need to install the freeware tool to use on the PC. Tool called Hercules and is provided by HW group. (You can download it from the Download & Links… ([Markdown](https://maker.wiznet.io/forum/4278/md))
- [W5500 PCB / Circuit Design review](https://maker.wiznet.io/forum/12552): Hello, I have created my own PCB Layout to interface with the W5500. My circuit is based on (and actually pretty much the same as) the reference circuit. Since I do not have that much experience in… ([Markdown](https://maker.wiznet.io/forum/12552/md))
- [Step-by-Step UDP implementation](https://maker.wiznet.io/forum/11422): Hi guys, Does anyone here have UDP step-by-step guide or something like that to help me ?? My device can use DHCP method or an IP fix into the LAN. It is ping answering … If I have a Desktop… ([Markdown](https://maker.wiznet.io/forum/11422/md))
- [MAC Address Assignment](https://maker.wiznet.io/forum/12243): W5500 doesn’t come up with embedded MAC address. So what it the procedure to get MAC address for the chip that I purchase. Is there any support from Wiznet wrt getting MAC address for the chips that… ([Markdown](https://maker.wiznet.io/forum/12243/md))
- [W5500 - Example code of using the INTn interrupt](https://maker.wiznet.io/forum/12819): Can someone show me an example project that takes advantage of using the interrupt output pin, i.e., pin INTn (#36)? All the examples I have seen so far are using the simple receive buffer poll… ([Markdown](https://maker.wiznet.io/forum/12819/md))
- [Connect two PHY chips](https://maker.wiznet.io/forum/9713): Hello, we want to connect the WizFi630 module directly to an Computer On Module (TX53-8030, karo-electronics.com). The computer module has a SMSC 8710A PHY chip. Both modules (processor and WizFi630… ([Markdown](https://maker.wiznet.io/forum/9713/md))
- [\[W5500\] StmCubeMx Hal Driver 적용후 SPI 통신 문제 문의](https://maker.wiznet.io/forum/12628): 안녕하세요? W5500 Chip이 내장된 Wiz550Web Ver 1.1 모듈(MCU : STM32F103RCT)을 사용하고 있는 사람입니다. 현재 회사에서 StmCubeMX를 이용하여 프로젝트를 수행중이라 StmCubeMX Driver를 이용하여 TCP를 구현하려고 하고 있습니다. 하지만, StmCubeMX HAL Driver를 이용하여 GPIO 및… ([Markdown](https://maker.wiznet.io/forum/12628/md))
- [W5500칩에서 \[rst/ack\]패킷 전송 조건을 알고싶습니다](https://maker.wiznet.io/forum/11476): 와이어 샤크 패킷 확인중에 [RST/ACK]패킷 전송 하는 경우가 있습니다. W5500칩에서 [RST/ACK]패킷 전송 조건을 알고싶습니다. ([Markdown](https://maker.wiznet.io/forum/11476/md))
- [Wiz550io , Arduino due , Mysql_connector (arduino ide)](https://maker.wiznet.io/forum/12378): Hi , We want use Wiz550io as hem board on our system for domotics , but we are blocked on connection bug between Arduino due with wiz550io and mysql connector (I cc also him) . For us this module is… ([Markdown](https://maker.wiznet.io/forum/12378/md))
- [\[W5300\] UDP 통신중 packet 놓치는 현상](https://maker.wiznet.io/forum/12188): W5300을 이용하여 약15Mbps의 UDP 송수신을 테스트하고 있습니다.(MACRAW mode) W5300은 일방적으로 수신을 하게 되는데요. 약 10초에 한번씩 packet을 한두개 놓치는 현상이 감지됩니다. packet 수신을 감지하는 방법은 S0_RX_RSR, S0_RX_RSR2를 읽어서 판단하도록 했습니다. 혹시 충돌에 의해서 이런 현상이… ([Markdown](https://maker.wiznet.io/forum/12188/md))
- [Ping from W5500](https://maker.wiznet.io/forum/10198): Anyone know of a library or command that I could use to get my W5500 to ping another IP on the network? ([Markdown](https://maker.wiznet.io/forum/10198/md))
- [Does the W5500 require a hardware reset?](https://maker.wiznet.io/forum/10541): I’m looking at ignoring the RSTN signal if it is not really required to simplify some interfaces so the question is, if I do not use this pin and rely on POR then does the W5500 still respond to… ([Markdown](https://maker.wiznet.io/forum/10541/md))
- [Receiving UDP with W5500](https://maker.wiznet.io/forum/12397): Hi, I ported the W5500 driver to the STM32F407VG. Right now I working with the TCP/ UDP loopbackserver (example code of wiznet). TCP Kommunikation works fine. But if I want to send UDP frames which… ([Markdown](https://maker.wiznet.io/forum/12397/md))
- [W5500 not working with some ethernet-switches](https://maker.wiznet.io/forum/13206): I am developing a device that should transmit data on any networks that can transmit data over Ethernet.The problem is this: The device works fine with most of my network devices (all routers… ([Markdown](https://maker.wiznet.io/forum/13206/md))
- [\[iEthernet\]MAC address는 어떻게 얻나요?](https://maker.wiznet.io/forum/12703): 사실 MAC 주소는 IEEE에서 기업 등록 및 구매가 가능하며, 재판매가 금지되어 있습니다. 따라서++ 별도로 판매 및 제공하지는 않습니다.++ 위즈네트 제품군에는 Serial to Ethernet 제품군과 그 외 몇몇 제품군 등, MCU가 탑재되어 독립적인 기능을 수행하며, 바로 사용자 디바이스에 더해 양산에 투입될 수 있거나 완제품인 module의… ([Markdown](https://maker.wiznet.io/forum/12703/md))
- [W5500 board fails on Mega 2560](https://maker.wiznet.io/forum/12803): I’ve spent the last 3 days trying to get a W5500 Ethernet Shield to work on a Mega 2560 and got nowhere. I started a thread on the Arduino forum asking for help and got a good number of replies but… ([Markdown](https://maker.wiznet.io/forum/12803/md))
- [(W5500)TCP Client Connect not working with Arduino Library](https://maker.wiznet.io/forum/12451): Hi Everyone, I’ve been working with the W5500 for a couple of weeks now and everything was going quite well until yesterday. I ported the Wiznet W5500 Arduino library over to Particle for use with… ([Markdown](https://maker.wiznet.io/forum/12451/md))
- [W5100 with STM32 using mbed](https://maker.wiznet.io/forum/11623): Hello everybody. This is my first post. I have the following problem and I will be very grateful if someone can help me with this. I have a Ethernet shield that uses W5100. I have an Arduino Uno and… ([Markdown](https://maker.wiznet.io/forum/11623/md))
- [SPI DATA Speeds](https://maker.wiznet.io/forum/9817): I am currently working on a design using an array of ADCs in TDM mode over SPI. I would like to stream this data out via Ethernet using the W5500 IC. In order to get the sample rate I need I require… ([Markdown](https://maker.wiznet.io/forum/9817/md))
- [Does the HTTP webserver example actually work?](https://maker.wiznet.io/forum/12277): I do love this chip - add Ethernet without dictating choice of microcontroller. Opens up the low pin count / cost micros to Ethernet. Big plus. But… I’m struggling with the code that comes with it… ([Markdown](https://maker.wiznet.io/forum/12277/md))
- [W5500 Sending Data to UDP server](https://maker.wiznet.io/forum/11976): Hello, I have W5500 setup and running. I checked the MAC and IP and the configuration is correct, also when I try to ping the IP of the W5500 I get the reply, so I’m guessing the W5500 is up and… ([Markdown](https://maker.wiznet.io/forum/11976/md))
- [Attention - fatal issue \[TCP Previous segment not captured\]](https://maker.wiznet.io/forum/11884): Hello, it would be not a very big deal if there would be small drop in performance. But the issue makes TCP session completely inoperable, socket and process hangs. Background: the task application… ([Markdown](https://maker.wiznet.io/forum/11884/md))
- [W5500 UDP problem](https://maker.wiznet.io/forum/12308): I am trying to interface W5500 with STM32f103c8t6 using UDP . Problem is I can’t send data trough UDP socket but I can receive data from the UDP socket . Please help me to solve the problem Thank you ([Markdown](https://maker.wiznet.io/forum/12308/md))
- [W5500 is running ok,but link PC directly the ping timeout is big (20 ms) and the throughout is just 1Mbps](https://maker.wiznet.io/forum/12196): hi, now we meet an error of network latency/delay by W5500 of spi(50MHz) qcom 8974 AP running Android OS with the direct link to PC, it’s about 20ms and the throughout is low (about 1Mbps)by testing… ([Markdown](https://maker.wiznet.io/forum/12196/md))
- [How to disconnect and reconnect again?](https://maker.wiznet.io/forum/12934): Hi Guys, I have wiz550io module in my boards. I use one of this module as a server and the other is a client. My server board always listen the tcp port for connection. In my project my client board… ([Markdown](https://maker.wiznet.io/forum/12934/md))
- [High temperature and high consumption](https://maker.wiznet.io/forum/12482): Hi, there is a problen with chip W5500. It works good but unpredictably it goes to “bad state” - chip is very hot and it has a high current consumption. In bad state chip stays until power supply is… ([Markdown](https://maker.wiznet.io/forum/12482/md))
- [Connection Closed 메시지가 나오는이유](https://maker.wiznet.io/forum/13029): 안녕하세요 WZI550S2E 모듈을 사용하고있습니다. 모듈을 TCP Client모드로는 잘 되는것을 확인하였습니다. 그리고 모듈을 TCP Server모드로 사용하려고 합니다. 모듈 ip 192.168.2.4, Host IP 192.168.2.2 로 설정하여 사용하고자 합니다. Configuration Tool 로 셋팅은 정확히 한것 같은데요… ([Markdown](https://maker.wiznet.io/forum/13029/md))
- [\[W7500\] SPI 통신할때 포트 관련 문의입니다.](https://maker.wiznet.io/forum/11306): W7500 SPI 통신 할 때 SE_CLK 설정 하고 오실로스코프로 파형을 찍어보는데 1만 계속 인가되네요… 제가 PB_01 포트로 GPIO_InitDef.GPIO_Pin = GPIO_Pin_1; GPIO_InitDef.GPIO_Mode = GPIO_Mode_OUT; GPIO_Init(GPIOB, &GPIO_InitDef)… ([Markdown](https://maker.wiznet.io/forum/11306/md))

## WIZnet product hubs

Each hub collects the projects and products that use one WIZnet chip, module or board (newest first), related forum questions and official documents. Hub index: https://maker.wiznet.io/products/

- [WIZnet W5500](https://maker.wiznet.io/products/w5500/): Hardwired TCP/IP Ethernet controller chip with an SPI interface. (1545 projects) ([Markdown](https://maker.wiznet.io/products/w5500/md))
- [WIZnet W5100S-EVB-Pico](https://maker.wiznet.io/products/w5100s-evb-pico/): Microcontroller board with the Raspberry Pi RP2040 and the W5100S Ethernet chip in the Raspberry Pi Pico form factor. (264 projects) ([Markdown](https://maker.wiznet.io/products/w5100s-evb-pico/md))
- [WIZnet W5100](https://maker.wiznet.io/products/w5100/): Hardwired TCP/IP Ethernet controller chip. (229 projects) ([Markdown](https://maker.wiznet.io/products/w5100/md))
- [WIZnet W5500-EVB-Pico](https://maker.wiznet.io/products/w5500-evb-pico/): Microcontroller board with the Raspberry Pi RP2040 and the W5500 Ethernet chip in the Raspberry Pi Pico form factor. (153 projects) ([Markdown](https://maker.wiznet.io/products/w5500-evb-pico/md))
- [WIZnet W55RP20-EVB-Pico](https://maker.wiznet.io/products/w55rp20-evb-pico/): Evaluation board for the W55RP20 in the Raspberry Pi Pico form factor. (117 projects) ([Markdown](https://maker.wiznet.io/products/w55rp20-evb-pico/md))
- [WIZnet WizFi360-EVB-Pico](https://maker.wiznet.io/products/wizfi360-evb-pico/): Microcontroller board with the Raspberry Pi RP2040 and the WizFi360 Wi-Fi module in the Raspberry Pi Pico form factor. (101 projects) ([Markdown](https://maker.wiznet.io/products/wizfi360-evb-pico/md))
- [WIZnet W5300](https://maker.wiznet.io/products/w5300/): Hardwired TCP/IP Ethernet controller chip with a parallel bus interface. (86 projects) ([Markdown](https://maker.wiznet.io/products/w5300/md))
- [WIZnet W5100S](https://maker.wiznet.io/products/w5100s/): Hardwired TCP/IP Ethernet controller chip. (78 projects) ([Markdown](https://maker.wiznet.io/products/w5100s/md))
- [WIZnet WIZ850io](https://maker.wiznet.io/products/wiz850io/): Compact Ethernet module with the W5500 chip and an RJ45 jack. (71 projects) ([Markdown](https://maker.wiznet.io/products/wiz850io/md))
- [WIZnet WizFi360](https://maker.wiznet.io/products/wizfi360/): Wi-Fi module controlled with AT commands over UART. (60 projects) ([Markdown](https://maker.wiznet.io/products/wizfi360/md))
- [WIZnet W5500 Ethernet Shield](https://maker.wiznet.io/products/w5500-ethernet-shield/): Ethernet shield with the W5500 chip in the Arduino shield form factor. (43 projects) ([Markdown](https://maker.wiznet.io/products/w5500-ethernet-shield/md))
- [WIZnet W7500](https://maker.wiznet.io/products/w7500/): Microcontroller with an ARM Cortex-M0 core and a hardwired TCP/IP core. (42 projects) ([Markdown](https://maker.wiznet.io/products/w7500/md))
- [WIZnet Ethernet HAT](https://maker.wiznet.io/products/wiznet-ethernet-hat/): Ethernet add-on board with the W5100S chip for the Raspberry Pi Pico. (41 projects) ([Markdown](https://maker.wiznet.io/products/wiznet-ethernet-hat/md))
- [WIZnet W5300-TOE-Shield](https://maker.wiznet.io/products/w5300-toe-shield/): Ethernet shield with the W5300 chip. (40 projects) ([Markdown](https://maker.wiznet.io/products/w5300-toe-shield/md))
- [WIZnet W55RP20](https://maker.wiznet.io/products/w55rp20/): Chip that combines the Raspberry Pi RP2040 microcontroller and the W5500 hardwired TCP/IP Ethernet controller in one package. (38 projects) ([Markdown](https://maker.wiznet.io/products/w55rp20/md))
- [WIZnet W6300](https://maker.wiznet.io/products/w6300/): Hardwired TCP/IP Ethernet controller chip with IPv4 and IPv6 support. (17 projects) ([Markdown](https://maker.wiznet.io/products/w6300/md))
- [UCC archive](https://maker.wiznet.io/ucc/archive/): every published UCC project by date, 200 per page

## Recent projects

- [rp2350_reticulum_eth_node : Reticulum LoRa Transport Node with WIZnet W5500](https://maker.wiznet.io/lawrence/projects/rp2350-reticulum-eth-node--reticulum-lora-transport-node-with-wiznet-w5500/): A standalone RP2350-based Reticulum Transport Node that connects W5500 Ethernet and SX1262 LoRa. ([Markdown](https://maker.wiznet.io/lawrence/projects/rp2350-reticulum-eth-node--reticulum-lora-transport-node-with-wiznet-w5500/md))
- [adsb-rp2350-rtltcp : PoE Remote SDR Receiver with WIZnet W6300](https://maker.wiznet.io/lawrence/projects/8gfmg8p9pz-sketch-adsb-rp2350-rtltcp/): A remote SDR receiver using RP2350, W6300, and PoE to control an RTL-SDR over Ethernet and stream I/Q data to GQRX through rtl_tcp. ([Markdown](https://maker.wiznet.io/lawrence/projects/8gfmg8p9pz-sketch-adsb-rp2350-rtltcp/md))
- [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/): 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. ([Markdown](https://maker.wiznet.io/josephsr/projects/dmx-unit-diy-w5500-art-net-node-and-2-universe-dmx512-controller-on-esp32-s3/md))
- [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/): 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. ([Markdown](https://maker.wiznet.io/josephsr/projects/esphome-gps-pps-stratum-1-ntp-server-on-esp32-s3-with-a-w5500-ethernet-timestamping-path/md))
- [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/): 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. ([Markdown](https://maker.wiznet.io/ElenaLee/resellers/how-does-the-rently-access-panel-with-intercom-use-w5500-for-wired-cloud-access-control/md))
- [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/): 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. ([Markdown](https://maker.wiznet.io/ElenaLee/projects/archinet-newsans-w5500-ethernet-and-esp32-s3-connectivity-board-for-the-archi-rp2040-platform/md))
- [Inverter + W5500](https://maker.wiznet.io/jaden/projects/inverter-w5500/): TI DSP28377D + W5500 HW ([Markdown](https://maker.wiznet.io/jaden/projects/inverter-w5500/md))
- [Mythic industrial HMI](https://maker.wiznet.io/jaden/projects/mythic-industrial-hmi/): Wireframes for the 7" touchscreen UI on the Ark HCG-50K chlorine generator. ([Markdown](https://maker.wiznet.io/jaden/projects/mythic-industrial-hmi/md))
- [Lavritech](https://maker.wiznet.io/bruno/resellers/lavritech/): Lavritech develops controllers and a software platform for monitoring and automating engineering systems, covering applications and equipment integration. ([Markdown](https://maker.wiznet.io/bruno/resellers/lavritech/md))
- [AmeNote ProtoZOA](https://maker.wiznet.io/Sunny_/projects/amenote-protozoa/): AmeNote ProtoZOA MIDI 2.0 Prototyping Tool ([Markdown](https://maker.wiznet.io/Sunny_/projects/amenote-protozoa/md))
- [AI Robot Server — Сорен](https://maker.wiznet.io/Sunny_/projects/ai-robot-server--/): Локальный AI-сервер для роботизированной совы на ESP32-S3 Голосовое управление · Компьутерное зрение · 18 сервоприводов ([Markdown](https://maker.wiznet.io/Sunny_/projects/ai-robot-server--/md))
- [UPAS Original](https://maker.wiznet.io/Sunny_/resellers/upas-original/): Introducting our flagship controller Called an UltraConnect Engine ([Markdown](https://maker.wiznet.io/Sunny_/resellers/upas-original/md))
- [Hybrid PCC](https://maker.wiznet.io/Sunny_/projects/hybrid-pcc/): This board contains the board support for Carleton University InSpace's hybrid control system's main control box. It is called PCC for "Pad Control Center". Th ([Markdown](https://maker.wiznet.io/Sunny_/projects/hybrid-pcc/md))
- [MDO-HuRT-S](https://maker.wiznet.io/Sunny_/resellers/mdo-hurt-s/): Multi-domain Operations Human-Robot Teaming Sandbox (MDO-HuRT-S). This repository is to document the autonomous robot setup for use in the MDO-HuRT-S. ([Markdown](https://maker.wiznet.io/Sunny_/resellers/mdo-hurt-s/md))
- [A³ Mixer](https://maker.wiznet.io/Sunny_/projects/a-mixer/): An open-source mixer controller for the A³ Audio project. Runs on a Raspberry Pi 3B+ or newer, which carries the OSC control scripts in software/scripts/; the ([Markdown](https://maker.wiznet.io/Sunny_/projects/a-mixer/md))
- [CoGS Rev 3.2 production card](https://maker.wiznet.io/Sunny_/resellers/cogs-rev-3-2-production-card/): Your Apple II has come a long way: accelerators, storage by the gigabyte, RAM disks, and sharp modern video. The one thing none of it can fix is the modern web, ([Markdown](https://maker.wiznet.io/Sunny_/resellers/cogs-rev-3-2-production-card/md))
- [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/): ESP-WiFiWatch passively scans neighbors' Wi-Fi for sudden outages while WIZnet's W5500 Ethernet handles all management, keeping the monitor independent of what ([Markdown](https://maker.wiznet.io/irina/projects/how-do-you-detect-a-power-outage-by-listening-to-your-neighbors-wi-fi-wifiwatch/md))
- [CANary](https://maker.wiznet.io/Sunny_/projects/canary/): Open-hardware IP-to-CAN converter compatible with the d&b R70 Ethernet-to-CAN protocol. ESP32-S3, W5500, isolated CAN, 3D-printed case. Not affiliated with d&b ([Markdown](https://maker.wiznet.io/Sunny_/projects/canary/md))
- [ESPHome 2026.9.0: Faster builds and encrypted updates](https://maker.wiznet.io/gunn/projects/esphome-2026-9-0-faster-builds-and-encrypted-updates/): ESPHome 2026.9.0: Faster builds and encrypted updates ([Markdown](https://maker.wiznet.io/gunn/projects/esphome-2026-9-0-faster-builds-and-encrypted-updates/md))
- [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/): A Dual-Path IoT Sensing and Communication Framework for Smart Building and Construction-Site Structural Monitoring ([Markdown](https://maker.wiznet.io/gunn/projects/a-dual-path-iot-sensing-and-communication-framework-for-smart-building-and-construction-site-structu/md))
- [MC_rak4631_eth_gw](https://maker.wiznet.io/Sunny_/projects/mc-rak4631-eth-gw/): Build and hardware-test project for MeshCore on the RAK10720 / RAK4631 + RAK13800 + RAK19018 PoE Ethernet gateway. ([Markdown](https://maker.wiznet.io/Sunny_/projects/mc-rak4631-eth-gw/md))
- [How Does a 1980s Z80 Retro Computer Get Real TCP/IP Networking?(NedoOS)](https://maker.wiznet.io/irina/projects/how-does-a-1980s-z80-retro-computer-get-real-tcp-ip-networking-nedoos/): A multitasking ZX Spectrum OS drives WIZnet's W5300 using plain Z80 IN/OUT instructions, enabling ping, telnet, browsing, and network games. ([Markdown](https://maker.wiznet.io/irina/projects/how-does-a-1980s-z80-retro-computer-get-real-tcp-ip-networking-nedoos/md))
- [MiniPLC-32uE - Pro license](https://maker.wiznet.io/Lihan__/resellers/miniplc-32ue-pro-license/): A compact all-in-one PLC control board based on the ESP32-S3, featuring 8 digital inputs, 4 relay outputs, Ethernet, Wi-Fi, RS485, RTC, and FRAM for IoT ([Markdown](https://maker.wiznet.io/Lihan__/resellers/miniplc-32ue-pro-license/md))
- [ESPCAN 8PRO](https://maker.wiznet.io/sophia/projects/espcan-8pro/): An universal DIN-rail controller powered by the ESP32-S3. It features 8 digital inputs, 8 digital outputs, and communication interfaces ([Markdown](https://maker.wiznet.io/sophia/projects/espcan-8pro/md))
- [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/): SqueezeAMP PoE is an amplifier driven by an ESP32 designed to run squeezelite-esp32, powered by PoE++. ([Markdown](https://maker.wiznet.io/sophia/projects/squeezeamp-poe-esp32-network-audio-amplifier-with-w5500-ethernet-and-poe-english/md))
- [DMX Core PoE Control](https://maker.wiznet.io/Alan/resellers/dmx-core-poe-control/): DMX Core PoE Control ([Markdown](https://maker.wiznet.io/Alan/resellers/dmx-core-poe-control/md))
- [jlcooper](https://maker.wiznet.io/TheoIm/resellers/jlcooper/): The JLCooper SloMo Elite-C is a desktop control panel that drives slow-motion replay on a video server in broadcast and sports production. ([Markdown](https://maker.wiznet.io/TheoIm/resellers/jlcooper/md))
- [Ethernet DMX Bridge V0.6](https://maker.wiznet.io/Alan/resellers/ethernet-dmx-bridge-v0-6/): Ethernet DMX Bridge V0.6 ([Markdown](https://maker.wiznet.io/Alan/resellers/ethernet-dmx-bridge-v0-6/md))
- [HW_PDNode-600-Pro](https://maker.wiznet.io/Lihan__/resellers/hw-pdnode-600-pro/): A 600W USB-C PD power distribution system for 10-inch racks, featuring W5500-based Ethernet for remote monitoring and control. ([Markdown](https://maker.wiznet.io/Lihan__/resellers/hw-pdnode-600-pro/md))
- [CAN Bus Gateway](https://maker.wiznet.io/Dhananjayan/resellers/can-bus-gateway/): This device can function as a OBD2 or J1939 gateway which can be plugged to the vehicles CAN bus port, enabling cellular connectivity for remote monitoring. ([Markdown](https://maker.wiznet.io/Dhananjayan/resellers/can-bus-gateway/md))

## Optional

- [WIZnet documentation](https://docs.wiznet.io/): official datasheets, application notes, drivers and SDK guides
- [WIZnet website](https://www.wiznet.io/): company and product information
- [WIZnet on GitHub](https://github.com/wiznet): drivers, libraries and example code