Re: Raspberry PI won¡¯t TX Direwolf
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Ah... So the typical Baofeng Kenwood style connector PTT needs to be pulled to ground to activate... So, unless you did something weird in your hacking of it, you should specify inverse logic in your config.? ?So -4 instead of 4
Personally I'd probably use an EasyDigi to help with the interface for that... They're dirt cheap on eBay and will handle your PTT too.? This link could be helpful in that endeavor
On Mon, Apr 13, 2020, 11:16 PM Isaiah Knight < iknight@...> wrote: I was able to get it to work with a diode. Thank you again for your help!? I reverse engineered a baofeng to get it to work.? I don't think it's that.... Do you know if your radio's PTT circuit is active high or active low?? ?I.e does it need 3.3v to activate PTT or does it need to be pulled to ground to activate PTT?
If it needs to be pulled to ground, then configure your GPIO pin as -4 (I use pin 4 with mine because pin 4 Powers up high, so my radio won't default to transmitting on power up with that pin, since it needs to be pulled low to activate PTT.
What is your transmitter radio?
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John Tetreault (WA1OKB)