The K3NG Keyer is an open source Arduino based CW (Morse Code) keyer with a lot of features and flexibility, rivaling commercial keyers which often cost significantly more. The code can be used with a ...

RadioLib allows its users to integrate all sorts of different wireless communication modules, protocols and even digital modes into a single consistent system. Want to add a Bluetooth interface to ...

Holding a tall pole and lightweight antenna wires which connect to Morse keys, a group of amateur radio fans attempt to call ...

It’s not much of a stretch to assume that the majority of Hackaday readers are at least familiar with I2C. In fact, there’s an excellent chance that anyone who’s ever done more with an Arduino than ...

Department of Mechanical Engineering, Soft Robotics Research Center, Seoul National University, Seoul 08826, South Korea Department of Mechanical Engineering, Gachon University, Seongnam 13120, Korea ...