Thanks all. I just decided to buy one. Dennis M. Wage (W9BOQ)
245 Corum Hill Road Castalian Springs, TN 37031 (615) 310-4242 Cell (615) 562-5128 Home http://hammondb3organ.net http://overdubs.net On Mon, Nov 4, 2019 at 7:18 AM Jim Unroe <[email protected]> wrote: > On Sun, Nov 3, 2019 at 7:33 PM Dennis Wage <[email protected]> wrote: > > > > > > I am trying to make a home brew cable for chirp for the Yeasu ft2900. > > > > I have an old prolific uv5r that's already been cut in half. Inside are > a red, white and black wire. > > > > If any one knows what the red, black and white wires in a prolific uv59 > cable are for email me off list please. > > > > The 2900 only needs data and ground, and I know which pins of the rj12 > they go to. > > > > Dennis M. Wage (W9BOQ) > > > > Hi Dennis, > > You probably won't need any of the existing wire. On many programming > cables the USB end has a cover that can be easily separated and > removed. That will give you access to 4 outputs of the USB UART. > > 5V > TxD > RxD > Gnd > > >From there you will have to build an small bit of circuitry that > combines the 4 down to the 2 required for the radio. > > RX/TX > Gnd > > After googling I see a circuit uses for (4) 2N7000 transistors and (4) > 4.7k resistors to do the job. There may be others. > > > https://forums.qrz.com/index.php?threads/diy-make-your-own-programming-cable-ftdi-cable-for-1-50.502031/ > > Good luck with the project and tell us how it works out. > > Jim KC9HI > _______________________________________________ > chirp_users mailing list > [email protected] > http://intrepid.danplanet.com/mailman/listinfo/chirp_users > This message was sent to Dennis Wage at [email protected] > To unsubscribe, send an email to > [email protected] >
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