In the world of Doctor Who, the sonic ... screwdriver. Power is supplied by the classic AA battery, with a boost converter stepping it up to 5V to run the electronics. It’s all wrapped up in a ...

[Jerome Kelty] just finished building this awesome data-logging Sonic Screwdriver with his 6 ... [Jerome’s] first thought was to 3D print it, but was met with a resounding no: “It needs ...