[publidave] wanted a simple wireless display for a bluetooth cycling cadence sensor, and soon found himself deep down the rabbit hole of Micropython and Bluetooth Low Energy on the ESP32.

To run the show, [g3gg0] selected the ESP32-PICO-D4. You certainly don ... and also pulling data from a BME280 environmental sensor as well as a CCS811 VOC sensor — so it’s keeping fairly ...