I got a bunch of 20mm piezo discs off Amazon, removed the casing from one with a pair of pliers, and soldered it into the watch as per the video - works fine.
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.
I got a bunch of 20mm piezo discs off Amazon, removed the casing from one with a pair of pliers, and soldered it into the watch as per the video - works fine.