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I just found this page
http://www.espruino.com/Waveform
which says espruino can only go up to .5KHtz with analogWrite()
I just found this page
http://www.espruino.com/Waveform
which says espruino can only go up to .5KHtz with analogWrite()
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.
user52526
I'm not 100% sure on the highest frequency, but I believe it is over 1MHz.
My guess is that based on Espruino's execution speed, your code might struggle to run at 1KHz.
You can definitely do a bit better with software if you need to (using
setIntervalanddigitalPulse) but for things like PWM using the hardware wherever possible is preferable.