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Arduino NANO VOX PTT for Baofeng. Interface to PC. Can use with Zello. Adjutable hold in code. Maybe add isolation transformers later. One channel for the trigger. Other channel audio pass through.


Nano VOX



Filename Download
VOX code UNO.txt
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Comments (1)

pattang2018 Reply

Code attached.
Easy to modify time delay.
Remove mic element from Sound Sensor then connect directly to speaker output from usb sound card one channel.Other channel is pass through to mic input on radio.
Sound level trigger trimmer on SoundSensor_Arduino_LM393
Simple circuit.
It works.

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