AVR CTCSS Tones and 2 Tone Paging.

I have several radios that don’t have CTCSS or the ability to page out fire tones.  I figured I’d solve it with a programmable AVR.  I started with a basic Arduino board and progressed to c code to control various circuits for the generation and detection of tones.  I’ll be posting some pics and information soon.

AVR Radio Controller TNC CTCSS PL TWO TONE
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2 Replies to “AVR CTCSS Tones and 2 Tone Paging.”

  1. Yes I built two of these. One for tripping a digital recorder to capture two tone pages and the other to add CTCSS to an older Kenwood 7400.

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