This is a project to work with r2_control, allowing status to be sent to a cheap wristband from AliExpress.
PLEASE NOTE: This is very much a work in progress!!!!!
Flash the arduino code to the wristband, and set up the python script to run on the r2_control Raspberry Pi.
r2_control https://github.com/dpoulson/r2_control
Wristband: https://www.aliexpress.com/item/4000527495064.html
Wristband instructions https://github.com/Xinyuan-LilyGO/LilyGO-T-Wristband