- Yes, the XIAO is powered via the USB-C input port whether via the computer or the power supply.
- Sadly I cannot check the voltage of the terminal with the LED’s on anymore, as they do not turn on. However, checking now when they are coded to be on, there is no noticeable draw or drop (just minor noise due to my shaky hands).
Above is all of my code, with no serial communication.
(Second reply with my wiring diagram)
