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STM32 Ethernet with W5500 (PART 7): STM32 as MQTT client

STM32 with W5500 tutorial shows how to implement an MQTT client over Ether, enabling pub/sub IoT communication and realtime control with hardware TCP/IP support

irina

Published December 18, 2025

Original author: ControllersTechOriginal source (new tab)

STM32 Ethernet with W5500 (PART 7): STM32 as MQTT client

Project description

👤AUTHOR A maker/embedded developer demonstrating how to use the WIZnet W5500 Ethernet controller with an STM32 microcontroller to implement a full MQTT client stack. The series (PART 7) focuses specifically on network-level MQTT operations with publish/subscribe messaging. 🔗 YouTube Video: https://www.youtube.com/watch?v=Qr-dgzsofiY 🎯PROJECT DESCRIPTION Created on December 13, 2025 ~ December 17,2025 This video shows how to configure an STM32 microcontroller to communicate over Ethernet using the W5500 hardware TCP/IP controller and connect to an MQTT broker. The goal is to enable the…

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