LED Calculator with Rotary Encoder

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Keith writes:

I’m still working on the LED calculator — I’ve finally got ’round to adding a rotary encoder to set the target system voltage. Now you can turn the potentiometer to set the LED brightness, turn the rotary encoder to set what voltage will be used in the ultimate LED circuit, and read the LED voltage, current, and current-limiting resistor values off the screen.

LED Calculator with Rotary Encoder – [Link]

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