So I was looking into producing square wave AC using the Arduino. My initial thought was to simply use an inverter on one output and use a switch to control which output is active at a time, but I run into trouble connecting it to ground: I'm suddenly not sure a negative current going into the Ardui…

Generating square wave AC

system May 8, 2012, 10:58pm 3

Ohh, that's clever. Thank you.

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