Arduino Monitor/Tester

I finally finished my Arduino Monitor/Tester! This is how it turned out to be: One LED for every single input or output Can be used with Uno, Leonardo, Mega, Due, Mini, etc. Also fits with my universal I/O board Power taken from Arduino 5V and 3.3V outputs, and the Vin Load on any pin is 10 kohm or more LED intensity proportionally reflects the pin voltage or duty cycle Builtin inputs and outputs for testin ...

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