This time I’m making a Billy Bookcase light with Home Assistant Integration. Check how I made it.
This is the Seeed Studio XIAO ESP32C3. It’s a microcontroller thas Seeed Studio send me to test it. This is how i made a Train Controller with Seeed Studio XIAO ESP32C3.
Today we are testing the Seeed Studio XIAO nRF52840 and make a heartbeat monitor.
Seed Studio send me me this microcontroller to test and apply to a project. First lets see what this microcontroller is.

