Hi,
i saw this module but all the documentation i can find tells not much.
What i want to know is if i open the jumper and feed it with a supply if
both sides are really isolated.
Or is the Arduino ground always connected to the relay side?
Hi,
i saw this module but all the documentation i can find tells not much.
What i want to know is if i open the jumper and feed it with a supply if
both sides are really isolated.
Or is the Arduino ground always connected to the relay side?