An ESP32 reads the sensors and sends out the data through WiFi. [Stephen] programmed the ESP32 in MicroPython, using an MQTT driver to connect it to Home Assistant.

Pimoroni's Baguette S3 is a breadboard-friendly ESP32-S3 board taking only one row through its 30-pin GPIO header.

Posted in Tech Hacks Tagged ble, bluetooth low energy, cadence, cycling, ESP32, micropython ← 3D-Printed Macro Pad Ditches The PCB With Slick Wiring Guides ...