The Analog Side of PWM LEDs

Ed shows the surprising current waveforms drawn by what seems to be a trivially simple LED Mood Light. He explains how Neopixels work and presents the large current pulses produced by their PWM controllers. Sophis most recent Burning Man installation featured a pair of Mythical Talking Unicorns outlined in rainbow hues produced by several hundred 8230.

The post The Analog Side of PWM LEDs appeared first on Circuit Cellar.


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