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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
Hi Colin,
That'd be great - thanks! Support for I2C is something that's be really useful :) There's no hardware SPI at the moment either, but Espruino does at least have software SPI.
There's one gotcha at the moment, which is that (at least on the micro:bit) it doesn't run off battery power - I think it's related to the UART perhaps receiving random data, so it might be that if it doesn't work, you can get it going by pulling UART RX high, or ideally connecting a USB-Serial converter to it.