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CircuitPython MQTT Example with W5500-EVB-Pico2

A simple MQTT example using W5500-EVB-Pico2 with CircuitPython. Connect via Ethernet, send/receive messages, and control the LED by topic.

Grace_Koo

Published April 16, 2025

112 UCC

25 WCC

11 VAR

CircuitPython MQTT Example with W5500-EVB-Pico2

Components

Hardware components
W5500-EVB-Pico2

WIZnet - W5500-EVB-Pico2

x 1

Software Apps and online services
Circuitpython

Adafruit - Circuitpython

x 1

Project description

Environment Board: W5500-EVB-Pico2 CircuitPython Version: 10.0.0-alpha.2 MQTT Broker: Local Mosquitto (with allow_anonymous enabled) Libraries Used: adafruit_wiznet5k adafruit_minimqtt The board was connected to the network via Ethernet using a static IP, and the Mosquitto broker was hosted on a local PC within the same network. Example Highlights Static IP and client configuration eth.ifconfig = ( (192, 168, 11, 50), # Static IP address (255, 255, 255, 0), # Subnet mask (192, 168, 11, 1), # Gateway (8, 8, 8, 8) # DNS server ) mqtt_client = MQTT.MQTT( broker="192.168.11.2", port=1883…

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