There is an emulator on the web, so develop something simple and the order one. I wanted to buy ten watches so Bangle.js was not an option, but if you just want

There is an emulator on the web, so develop something simple and the order one. I wanted to buy ten watches so Bangle.js was not an option, but if you just want something programmable I do recommend it. https://www.espruino.com/ide/?emulator https://www.espruino.com/ide/?emulator https://www.espruino.com/Bangle.js+First+App https://www.espruino.com/Bangle.js+First+App