MQTT client for MicroPython on the ESP8266 How to load Load the boot.py, main.py and umqttsimple.py onto the ESP8266 - Thonny is a good tool to load this Setup the Wifi Change the wifi SSID and password in boot.py Change the topic Change the topic to publish or subscribe to different topics Download the STLs from Thingiverse https://www.thingiverse.com/thing:4872211