It is a circuit board…sort of. [Brian’s] been doing his series on making a PCB in everything , but we doubt this will make muster. Then again, you don’t really have to make them at all anymore.

[Mark VandeWettering] was experimenting with a simple transmitting circuit and an Arduino. The circuit in the project was designed by [Steve Weber] to broadcast temperature and telemetry data using… ...

The 3D printed version has been created to make the design available to more people and uses an Arduino Uno development Board together with a piezo sensor for the drum.