i have not verified this but:
shouldnt you connect your measurement circuit to the - of the battery?
if you use the board-gnd you‘re reading the current board voltage, no matter where it comes from.
Greetings Boones
i have not verified this but:
shouldnt you connect your measurement circuit to the - of the battery?
if you use the board-gnd you‘re reading the current board voltage, no matter where it comes from.
Greetings Boones