Morse Code Light Translator
Turn typed text into a timed light pattern for learning and demonstration.
10 WPM, with normal spacing between letters. Typing SOS produces three separate letters.
Start with a short known message
Enter HI and press Start Transmission. This demonstration runs at 10 WPM: a dot lasts 120 milliseconds, a dash 360 milliseconds, an internal dark interval 120 milliseconds, a letter interval 360 milliseconds and a word interval 840 milliseconds. Stop Transmission cancels playback.
Watch H as four short flashes, then the longer dark letter gap, then I as two flashes. The lamp turns off at the end. Try E T next: its word gap is longer than the letter gap in ET. The screen shows timing, not whether a distant recipient has received a message.
Distress rhythm and ordinary letters
Typing SOS produces S, O and S with normal letter gaps. The continuous distress pattern removes those two letter gaps. Use the SOS comparison to hear that distinction; this demonstration does not automatically treat a typed word as a prosign.
Use written or audio alternatives in a lesson and let viewers stop or avoid flashing content. A screen, a signal lamp and a mirror have different visibility and operating conditions. Do not infer equipment range or secure reception from this on-screen demonstration.
At 10 WPM
| Element | Duration |
|---|---|
| Dot | 120 ms |
| Dash | 360 ms |
| Inside a character | 120 ms dark |
| Between characters | 360 ms dark |
| Between words | 840 ms dark |
Worked examples
These patterns use International Morse. Spaces separate letters; / separates words. A slash in the original text is encoded as -..-.
- HI
- Try this message
.... ..0.78 seconds at 20 WPM - ET
- Try this message
. -0.42 seconds at 20 WPM - E T
- Try this message
. / -0.66 seconds at 20 WPM