[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 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. You’ll likely never need to chat with anyone using Morse code ...

If you want to learn Morse code and you don’t have a teacher, you’d probably just head over to a website or download a phone app. Before that, you probably bought a cassette tape or a phonograph ...