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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.
@StuntMonkeh
@lavamantis - It's nice to see you progressing with your project.
Depending on your specific project requirements it might be worth investigating alternative methods of switching the DC load. Using a standard relay might not be the most efficient.
If it has to be a relay, look into using a bi-stable relay. This only requires a quick pulse to change the contact state.