[Kevin] recently scored a Morse code keyer/sounder unit from the 1920s on eBay. While many hams would love to use an old keyer for CW, [Kevin] took a different route and repurposed it into a wireless ...

A full-featured CW keyer for amateur radio use. The keyer is built around a cheap and tiny ATTINY85 microcontroller. The circuit boasts 4-100 character memories, beacon mode, multiple timing options, ...

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 ...

[Sulaiman Habsi] and two classmates put together a Morse Code interpreter as a class project at Sultan Qaboos University. The system listens to a morse code signal using a microphone, then translates ...

This project illustrates a working homemade Morse code oscillator that is constructed in an Altoids can while the paddles are constructed using copper board, eyeglass screwdriver, and rubber bumpons.