Currently I am working on a project that will use an Arduino Pro Mini and needs to control 18 LED's independently with PWM. The Arduino can only do 6 independently...so what part would I need to buy to expand the number of outputs? I know shift registers can only do on/off functions, not fading, so …

Multiplexing & PWM

MarkT October 31, 2012, 11:38pm 2

How high a PWM frequency? PWM can be done in software too...

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