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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
Could be... My point is that those are extra pins that then cannot be used for anything else on Espruino :(
By just using the built-in bootloader to do the work, you can get access to all that flash without having to use up any pins! It'll just be a bit slower to access.