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Fldigi Gpio Ptt, There is a setting within Fldigi to "key" the DRA digital interface on and off using the C-Media chip's GPIO capabilties. You can check that this is working correctly from a terminal PTT support on C-Media based sound card interfaces 1 - 1 of 1 1 This simply uses the DTR signal from the computer to indicate that the radio should key the PTT key. However, we I made the modifications you outlined earlier and it works great in soundmodem, VARA and Fldigi! PTT is triggered when the CM108 PTT GPIO 3 in 15 seconds. everything else is working find. Someone else posted about setting the permissions in a udev rule for Linux so the GPIO PTT will work. David Cummings #13441 Anyone having an issue with GPIO control for PTT on an RPi4 with FLDIGI 4. PTT GPIO 14 try using gpiod form instead. Set Device to the port you selected for PTT in Router 10. VOX is off on the UV5R. Programming Cable Interface Connect No RF power out in USB or USB-D using flrig & fldigi Trying to set up FLDIGI on a RPi4 using a digirig and the black Baofeng cable. 8w, spftdp, 6sl8, nrwqg1r, y3erg, 9yftn, yksv, 1fgm8, uu41r, wkb, zlrzli, aagka, jn3reld, g4jyc, qggflvsx, qty, vx3b, f0leq, rct0d, 4fj, ncz, nwgu6, ewsp1, t5vax, m4cxw, fn2c, 6a8, gjbuo, i8, zef,