README

Morse Code Trainer with classic training formats

Writen with Claude support

A Windows Morse code training app, in two forms:

• morse_trainer/ — a single-file C console version. Copy Practice, Koch method trainer, Send/Playback, and adjustable speed/tone settings. Builds with MinGW-w64 or MSVC.
• morse_trainer_lazarus/ — a Lazarus (Free Pascal) GUI port with five tabs: Copy Practice, Koch Trainer, Send/Playback, Random Text (letter/number groups or a loaded text file with full "umlaut" support), and Settings to set speed and pauses. Builds with the Lazarus IDE or lazbuild.

Both generate their own audio in software (a sine tone with a short fade in/out) and play it through the system's default sound device via the Windows Multimedia API (winmm.dll) — no special drivers or hardware needed, just whatever sound card Windows already has configured.

Each subfolder has its own README.md with full build instructions, feature notes, and known limitations. Start there for the version you want to build.

Which one should I build?

The Lazarus version is the actively developed one — it has the full feature set (Random Text practice, umlaut/punctuation support, tunable Farnsworth timing) and a proper GUI. The C console version is the original, simpler proof of concept; it still works, but new features have gone into the Lazarus version.

License

This project is licensed under Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0).

You're free to use, copy, modify, and share this project for any non-commercial purpose, as long as you give appropriate credit. See the LICENSE file for the full terms.