[GreenKeys] New TTY Project

[ad7i]

Greetings Greenkeys Members --

I'm writing to let you know that I'm just wrapping up a microcontroller
project that may be of interest to you.

I call it the Jackknife system.  It's a software program that runs on the
Arduino microcontroller platform.  It functions primarily as a TTY code
converter and signal processor.  Two configurations that may be of specific
interest to Greenkey members are (1) the AFSK demodulator (great for ITTY
demodulation, terrible for HF radio demodulation) and (2) the full-duplex
bidirectional USB-Serial to TTY converter.

I've posted some info on my website describing the system, and links to
some YouTube videos that show the system in some detail.

      http://ad7i.net/main/projects/tty/jack-knife/

Please let me know if you have any questions.

73,

Paul Newland, ad7i
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