I'm using a SparkFun-built Arduino Pro Mini 3.3V / 8MHz. One thing I need it to do is toggle the gate pin on a MOSFET, and that's not working for some reason. Getting in there with a multimeter, I see that the voltage on the pin never goes HIGH. The only thing I have running on there is the followin…

Reasons an output pin wouldn't go high?

system April 7, 2014, 1:26pm 2

The extra analog pins (A6, A7) do not work as digital output pins (the standard ones A0 .. A5 do).

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