bosskardo
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I have an at90usbkey board:
http://www.atmel.com/Images/doc7627.pdf
I'm thinking of using it to drive optocouplers from io pins. The question is where on the board should I connect the ground from the optocoupler. the board is quite small, where would be the best place?
http://www.atmel.com/Images/doc7627.pdf
I'm thinking of using it to drive optocouplers from io pins. The question is where on the board should I connect the ground from the optocoupler. the board is quite small, where would be the best place?