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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
The watch I ordered arrived sooner than expected. As I expected the watch doesn't contain a nRF51, it actually uses a Dialog DA14580, we've seen this chip before in this thread. So no Espruino, but, this one does actually pair to my phone. I took some pictures while deconstructing it, I could post them if anyone is interested on how the Heart Rate sensor connects.