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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
The simplest way is to do what you did for the reset, but to leave the button pressed. The red led will flash 5 times (still keep it pressed for at least 1 second after the flashing stops) and then any saved code will be removed automatically. You'll need firmware
1v94or later for that to work though.Otherwise
E.setBootCode("")should wipe any 'save on send' code out, as well as saved code. The quotes might be required though - I can't remember