I am a beginner. I have a relay that is opens and closes a set of contacts. Can I send 5 volts from the 5 volt pin on the Netduino and send it thorough the relay to the #1 pin which I will declare as an Input ? Do I need to set pin 1 to ResistorMode.PullUp and/or do I need to add a resistor to the circuit ?
I am afraid of shorting the Netduino, but I am not going from the positive straight to the ground so I have to believe it's safe.
Thanks
P.S. Will order a book today so I don't clutter the forum with such basic questions.