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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.
@oesterle
@user75202, additionally, if you want to quickly prototype something like this and have a modern Android phone, you could alternatively use
NRF.nfcURL().The user would bring the back of her phone right next to the Puck.JS on the fire extinguisher (closer than iBeacon or Eddystone), and the page opens. But, it requires only one line of code to work, and makes for a satisfying demo.
You can see it in action in this 30-second tour of Puck.js.