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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.
@PaddeK
He could use LiFePO4 batteries.. they have a nominal voltage of 3.2/3.3 volts.. they are pretty much perfect for 3.3v projects. Here is a video about it https://www.youtube.com/watch?v=DicVZfW5YL0
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