[Eric] wanted to teach his kids Morse code, so he built a tiny Morse code trainer. [Eric] built the trainer around an ATtiny85, and the rest of the circuit follows this minimalist idea. After ...

Learning Morse Code is no longer a requirement for HAMs in many jurisdictions, but it’s still a nice skill to have. [I_void(warranties)] wanted to learn, but couldn’t find a trainer that fit his style ...

The cryptologic technician (CTR) student cohort in the first revised Basic Manual Morse Trainer (BMMT) course recently wrapped up at the Center for Information Dominance (CID) Unit Corry Station. The ...

They listened and listened until the beeps and boops finally made sense. And then it was time to go. A husband and wife briefly escaped from a secure memory unit at an assisted living facility in ...