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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.
@DrAzzy
I thought waveform required a DAC, not just PWM. I have no idea what it would output otherwise...
The ESP8266 does not have a DAC, and doesn't even have hardware PWM, just software PWM, with all it's attendant limitations.
I think the bug is that waveform module is being build for ESP8266 at all.