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Re: How does the Raduino on the BITX40 know it's in Transmit? #bitx40 #bitx40help #calibration

 

Hi Michael,

With the stock raduino firmware, the Raduino doesn't "know" whether the radio is in receive or in transmit (hence it cannot do RIT,SPLIT, etc.)
The new software at ?supports these functions provided that the "PTT-sense mod" is installed.

For PTT-sense you only need to add a 10K resistor as shown here:


73 Allard PE1NWL
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