That works well... I have one of these too... and the ON/OFF switch is a great bonus. I do not know the purpose of your project and the overall setup... but "Gehaeuse mit AA Batteriefach" could work as well... or a plain box and simple batterie holder for 3 batteries so you can all fit in a single box (w/ or w/o cutout for accessing/exposing puck.
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.
That works well... I have one of these too... and the ON/OFF switch is a great bonus. I do not know the purpose of your project and the overall setup... but "Gehaeuse mit AA Batteriefach" could work as well... or a plain box and simple batterie holder for 3 batteries so you can all fit in a single box (w/ or w/o cutout for accessing/exposing puck.