Sidneys1 has come up with an improved version of my own Disco Inferno, written in NXC. His article has a great explanation of what PWM is and how it works. So if you’re keen to know the finer details about how RS485 can be used to control the brightness of a light or a motor, go check it out: [LINK].  His article does a much better job of explaining it all than mine.

Below is the video he shot of his program.

Very cool stuff!

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