UCC

Use the Adafruit IO MQTT to remotely access and control Controllino MEGA PLC. Program with Visuino - Quick and Easy!

Grabs sensor data via arduino uno and wt100, send the data with mqtt to artik, and send it to kafka broker and logstash, monitors via grafana

Arduino-based project that uses ESP32 and W5500 Ethernet modules to connect to an MQTT broker and post messages periodically.

ZoneTherm combines seven OpenTherm thermostats, configurable valve groups and W5500 Ethernet for local zone control and Home Assistant integration.

A Bengbu University patent application links RS-485 sensors to a GD32F303CET6 gateway that packages data as MQTT and sends it through W5500 Ethernet.

Haljion shows Raspberry Pi Pico 2W using Adafruit W5500 over SPI and CircuitPython MiniMQTT to subscribe to a local broker over wired LAN.

netclient

A production-grade firmware architecture that brings together MQTT, Wiegand readers, RS485 devices, I2C LCD, RTC, and SD card storage — all running on a single

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.

W5500 PoE node reports drainage volume over MQTT and UECS-CCM.

Arduino Pro Mini uses W5500 Ethernet for MQTT light state and UDP dimming control.

ControllersTech is a well-known embedded tutorial platform focused on STM32 and MCU development, offering step-by-step guides and YouTube videos.

STM32F103C8T6 Blue Pill + WIZnet W5500 Ethernet: MQTT communication test for an industrial MODBUS IoT gateway project built with STM32CubeIDE and HAL.

Custom PCB with STM32F407 and W5500 for remote MQTT control of satellite LNB polarization, DiSEqC motor positioning, and IF signal routing over Ethernet.

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

3-year field-proven IIoT Gateway using W5500 & RT-Thread. Zero downtime Modbus-to-MQTT solution on low-cost MCUs.

Bridges CAN bus to MQTT using ESP32-C3 and W5500, enabling remote industrial monitoring and control.

Industrial gateway solution based on STM32 and W5500, supporting multiple protocols (Modbus TCP/RTU/ASCII, BACnet/IP, MQTT) for building automation and IIoT.

A lightweight Rust driver for the WIZnet W5500 Ethernet chip using SPI. Designed for no_std embedded systems with built-in TCP/IP offload (TOE).

Example/Demo code for MQTT Publication on STM32F051+W5500 Setup

Implementing an MQTT sub using an STM32F051 microcontroller and a WIZnet W5500 Ethernet chip

WIZnet W5300-TOE MQTT publish and Subscribe with Nucleo-f429zi

Learn to setup your mcGateway to be able to send data to the Ubidots cloud over MQTT.

Let's try MQTT communication with Arduino using WIZnet's W5500 .