There's no schematic, no. But there is https://www.espruino.com/Bangle.js2+TechÂnical which does contain a lot of information about it.
I think piezo may not work "as is"
Yes, you'd probably have to put a resistor across it at minimum if driving from a FET.
Thanks, Gordon. I will figure it out.
@Gordon started
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.
There's no schematic, no. But there is https://www.espruino.com/Bangle.js2+TechÂnical which does contain a lot of information about it.
Yes, you'd probably have to put a resistor across it at minimum if driving from a FET.