Heya all, So I've got this 3 color LED. It appears it has a common positive anode and then 3 different cathodes, grounding any one of them gets you blue/red/green. Since the Arduino can't 'toggle' the ground pins at all (at least that I understand?) I can't figure out how I can drive this LED via …

3 color LED via Arduino - how?

system May 3, 2018, 8:07pm 5

Think of an output pin like this, when HIGH, it's connected to Vcc, when LOW, to GND.

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