Perhaps this: https://www.u-blox.com/de/product/b200-nina-b1 Edit: as a starting Point.
@Spocki 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.
Perhaps this: https://www.u-blox.com/de/product/b200-nina-b1
Edit: as a starting Point.