Lab
Telegraph Key
A working Morse code telegraph. Click and hold the brass key to tap out dots and dashes — short press for a dot, long press for a dash. The decoder listens to your timing and translates in real time. You can also type a message and hear it transmitted automatically at your chosen speed. Press Space or hold click on the key to transmit.
Morse symbols
Decoded text
Manual key
Click & hold the key, or press Space
Auto-transmit
Settings
Speed
15 WPM
Tone frequency
600 Hz
Volume
50%
Morse alphabet