Rig to Soundcard Interface with VOX1
Proto Board
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Box
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RFI Insurance
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Parts from old computer modems and monitors.
What's in your junk box?
USB Serial and Keying Interfaces for TS-450/TS-690 and others
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FT_Prog» for FTDI USB to Serial interfaces.
- To use RTS as PTT with the K1EL «WKUSB keyer» you must invert RTS signal with FT_Prog.
- To use an FTDI TTL-232R-5V-WE cable to interface to a TS-450 or TS-690....

- Invert ALL (TXD, RXD, RTS and CTS) IO signals with FT_Prog.
1VOX circuit from KH6TY, Skip Teller