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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@Gordon
Thanks! That's great!
Yes, 3x 100Hz should work ok - it might glitch very occasionally, but it's usable.
The way it's implemented, 3x 100Hz has about the same load as 1x 300Hz - so it should be fine. If you need more PWM you could always try lowering the frequency.