Wiznet makers

This article explains how the WIZnet W5500 Ethernet controller integrates with the NuttX RTOS at the driver level.

This article analyzes a common W5500 failure case where TCP connections succeed and SEND commands return OK, yet no data reaches the peer.

This article explains how correct SPI multi-byte access, register read/write patterns, and chip-select timing directly affect TCP stability on the WIZnet W5500.

How Does DHCP Work with W5500 and ESP8266 to Enable Reliable Network Setup?

This article explains how WIZnet W5500 register architecture, TX/RX buffer usage, and SPI chip-select timing work together to enable stable TCP communication un

How Does Async UDP over W6100 Improve Industrial IPv4/IPv6 Networking on ESP32?

How Does Async UDP over W6100 Enable Reliable IPv4/IPv6 Networking on ESP32?

A bidirectional CAN↔Ethernet gateway using an MCU and W5500 to simplify networking, improve portability, and add electrical isolation.

Build a reliable Ethernet IoT camera using W6300-EVB-PICO2 (RP2350). This project verifies WIZnet's CircuitPython QSPI driver for stable industrial monitoring.

Industrial SCADA System Implementation using Modbus TCP/IP & Wired Ethernet (W5500)

apex MRMSS is a smart simulator that ensures rocket experiments work perfectly. It bridges your lab and space, making every mission safer, cheaper, and easier.

유선 LAN이 필요한 순간이 있다: W5100S-EVB-Pico + CircuitPython으로 TCP 통신(서버/클라이언트) 완성하기

hip_MINI

This project provides custom ESPHome components that enable stable Ethernet, OTA updates, and web server functionality on the WIZnet W5500-EVB-Pico.

Long-range key mouse controls equipment

Development of Smart Solar Charge Controller on Wiznet W5500 IoT Platform

Arduino-based interface to control Yaesu antenna rotators from a PC using USB or Ethernet. Emulates the standard GS-232 protocol for wide software compatibility

low latency MIDI interface using STM32 & WIZnet hardware TCP/IP. Bridges USB, Ethernet, and 5-pin DIN for real-time, long-distance transmission over LAN.

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.

Smart home

ESP32 + W5500 Lite + Tasmota

M5Stack + PoE W5500 tracks a turntable-mounted car’s rotation via a rotary encoder and streams counts over UDP for real-time XR alignment.

M5Stack controls an Oriental Motor AZ driver via Modbus RTU over RS-485, using an RJ45/W5500 module for wiring convenience—plus the key 8E1 parity fix.

https://github.com/martinius96/termostat-ethernet