Does XIAO allow user to get the voltage of VIN without external parts? I know for an Arduino Nano you could use the internal standard 1.1V voltage and call the MUXs to compare the VIN. Is there something similar for XIAO?
I am trying to get the voltage of a chargeable battery on my device so that I can estimate the remainning electricity in it.
I’m new to single chip development and looking forward to some easy-to-understand answer.