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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.
@MaBe
Found a nice circular LED Bar from microbot MR400-013.1 using a NXP PC9635 I2C chip.
Operating power supply voltage range of 2.3 V to 5.5 V
Target is to write a module, more infos in the next couple days