Recently, [Edward Schmitz] wrote in to let us know about his Hackaday.io project: SigCore UC: An Open-Source Universal I/O ...
Abstract: Owing to its true direct bandgap and tunable bandgap energies, GeSn alloys are increasingly attractive as gain media for mid-IR lasers that can be monolithically integrated on Si.
The DE-Arm is an open source project that consists of a robot arm with 4 degrees-of-motion each controlled by a single servo motor. The arm itself is cut from 4mm laser cut plywood with some 2mm MDF ...