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Topic: Connecting Arduino to PIC (Read 12502 times) previous topic - next topic

fungus


OK maybe a dumb question but I have to ask anyway. You do have a common ground wire connected between the arduino and the PIC, correct?


Ya beat me to it...

Advanced Arduino

AWOL



OK maybe a dumb question but I have to ask anyway. You do have a common ground wire connected between the arduino and the PIC, correct?

Ya beat me to it...

Only two weeks later...

siyete

does using the same power source not cover the common ground?..
they are parallel connected to the source..

Docedison

I think the point is that the pin marked "Input to Pic" should Not be grounded as it is also the output pin from the Arduino and would defeat the circuits proper operation.

Bob
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