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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
That is a strange one. I'll try on Monday and see if I can cause problems by putting 2.9v or more on A5. The chip should be fine up to 3.3v though - in fact I think even ADC inputs are 5v tolerant on these chips (maybe don't try it until I checked that though!)
By the way, if you do save something that breaks the chip, check out: http://www.espruino.com/Troubleshooting
It shows you how to boot up without loading the saved code.