You are reading a single comment by @Gordon and its replies.
Click here to read the full conversation.
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.
@Gordon
I bought a sim card over the weekend and am looking at it this morning.
It turns out that the SIM900A doesn't work in the UK out of the box and you've got to update the firmware though - which I'm still struggling to do.