Hi I am creating a matrix of 160 LED running with Charlieplexing. With digital pins I can run a limited amount of LED (137 LED) I would like to know if I can use the analog inputs as digital inputs so I can run more LED's. I know arduino has a built in Analog to digital converter, however I can't …

Can you run an LED with analog pins?

bens August 6, 2008, 3:40am 2

Analog inputs 0 - 5 can be used as digital pins 14 - 19.

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