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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.
@Gurmukh
Interestingly, when I try and define a service, the PuckJS disonnects from the WebIDE and I need to power cycle the device and refresh the page to reconnect. Defining an optionalService doesn't return the device but also doesn't crash the Puck