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Pulse-width modulation, is varying the duty cycle of a rectangle wave, usually with a constant frequency.

1 vote

Flickering on PCA9685 PWM controller with 3W RGB LED and Picobuck

Reading the datasheet for AL8805 (the chip in PicoBuck) there's two modes of controlling it: either PWM or a constant control voltage. … The idea is to smooth the PWM signal into a corresponding control voltage. Disclaimer: Untested, might fry the PWM controller. Looking at the datasheet it looks unlikely but proceed with caution. …
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