Well, for one thing I get a low voltage at D13 when using the pullup resistor. When it should be low, it is at 0V, but at high it is 1.7V, sometimes 3.3-3.4V. I can't figure out if my Nano is broken, my laptop is putting out not enough power, or my setup is bad. I am making a MIDI saxophone, and it …

Ardumidi.h and Arduino Nano

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