Have you updated your firmware? As it comes the Puck.js firmware had some issues keeping the pulldown resistor on the button.
@Gordon started
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.
Have you updated your firmware? As it comes the Puck.js firmware had some issues keeping the pulldown resistor on the button.