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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.
@vindolin
Today I got my STM32F4 Discovery board and after some hours figuring out that my micro usb cable had only two pins active, I got Espruino 1v52 running on it.
I tried to save() the LED blink hello world example but after a reset it doesn't load the program, no blinking.
Running load() also has no effect.