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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.
@MrTimcakes
Where could I source some resistive strip? Ebay? Or perhaps some paper with HB pencil Led could work. I also thought of the caliper but it is too expensive to apply to multiple clips at £10 a clip. Even if all these ideas fail I guess I could resort to assuming the clip is full and counting down after one is fired, although id like absolute measurement.