@user66100 are you using an Espruino board at all? It looks a lot like you're using an Arduino as you're writing C code - if that's the case you'd need to post on the Arduino forum...
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.
@user66100 are you using an Espruino board at all? It looks a lot like you're using an Arduino as you're writing C code - if that's the case you'd need to post on the Arduino forum...