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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.
@JumJum
I've had some problems with saved code after reflashing.
Fixed it with flashing last page of saved area with an empty.bin.
As far as I can see, there are 2 parts of saved data.
First part gives an error message if data is corrupted, but 2nd part does not test this and crashes at least on ESP32.