morse-trainer

Learn Morse code by listening. An android app.

A lightweight visual Morse Code training tool built on ESP32-C3, featuring a ST7735 TFT display and SI5351 frequency generator. This version implements a lite tree mode visualization, auto-spacing logic, running text display, and tone/LED feedback for real-time practice.

Free CW / Morse code tools for amateur radio: learn, practice, operate, listen and explore CW.

ESP32 上的莫尔斯电码（CW）练习机固件：Koch 听写、呼号抄收、触摸桨电键与实时解码、MorseKOB 联网对练。ESP-IDF + LVGL。