Each glass has a different amount of water and produces a different note when tapped. [Cyberlab] must have seen them and created an Arduino robot to play tunes on glasses.

Arduino enthusiasts looking for a new project to create with the versatile micro controller might be interested in a pair of Arduino glasses that can be used to display data for a Bluetooth ...

The CPU was pulled from an existing Arduino module which, we suppose, has the virtue of having a bootloader already set up, but we’d probably just use a new chip if we were building it.