![]() ![]() You’ll need the same materials as the last lesson: If you want a refresher, see our description and watch the videos here. ![]() So, it’s good that, by now, you understand PWM. Instead, there is a set of PWM methods, which provide additional control but at a cost of complexity. Importantly, the analogWrite method-which was always a misnomer in the Arduino library because it output a pulse-width modulation (PWM) waveform rather than a true analog voltage-is not implemented in the ESP32 Arduino library. This is where our lessons begin to differ from the Intro to Output series in the Intro to Arduino section. In this lesson, we’ll show how to use PWM output on the ESP32 to fade an LED on and off.
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