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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
It's actually been added now - sorry. That's the problem, you can't keep everyone happy.
In the case of I2C/SPI/OneWire it's fine as they are ignored (and the relevant SPI setup command is added) - it is only when you've set a pin as a simple output or have added pullup/pulldowns to an input.
For beginners, there is something nice about saying
LED1.set();save();though