DigiPi Hat don't PTT

[Jorge Forero]

I check the DB9 from the Pi 4 and the Hat is receiving the Mic/PTT signal but not  the radio (RadioShack 212). The cable from the DB9 to the radio was checked too!

Please help.

Jorge VE3EAD 

[Craig]

Hi Jorge,

Is the little/short USB cable connected between the Pi4 and the DigiPi Hat?  it's not obvious, but it's required.

Does the orange LED blink on the DigiPi Hat when you try to transmit?

If you short the PTT wire from the radioshack to ground, does it go into PTT?


...and let us know, thanks,
-craig
KM6LYW

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