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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
By the way, you're also using the wrong binary. As the link above says, you need the one that's of the form
espruino_1v##_espruino_1r#.bin.However you shouldn't have any need for that - once the board is connecting the IDE should be able to figure out which binary is needed automatically.