Experimental ultra narrow band modem to send data over radio via cw (morse) audio to low speed.
Designed for excessively long distances and very low speed (50 baud) and power (qrp).
In the chat mode, 5 bits of coding are used for each letter (data packaging), as well as the use of dictionaries to compress the data.
P5js HTML5 (multi platform)
3 types of entry are allowed:
- The audio input of the sound card
- The mouse, using a small interface with a transistor and capacitor that activates or deactivates the audio button.
- The gamepad or joystick, using a small interface with a transistor and capacitor that activates or deactivates the audio button.