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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.
@Poolitzer
As I understand it, the issue is the 3 bit display, which can't be "improved" with a software upgrade. It was a hardware decision, the more colour you support, the more power the display consumes. That was the tradeoff to have the full touchscreen and acceptable battery life, again, from my understanding.