I finally got an ft8 qso with the bench top bitx. The first few times I tried, including in my last ft8 post, I was manually engaging the ptt with a push button. That got old fast, so I found a vox ptt interface that I could replicate with parts I had on hand. The DuinoVOX is a homebrew device that replicates the features of the Signalink interface. I slapped my own version together this weekend with this usb sound card and an arduino pro mini.
It works great. I need to put it in an enclosure and add the potentiometers to get the full functionality.
dear Admin, thank you very much for the description, i try to programming on arduino nano module that i have.
Beat 73
uding.
can i know the programming file for arduino nano to be used
The original code is located here: http://kb9rlw.blogspot.com/2016/08/cheap-and-easy-to-build-digital-modes.html
[…] I finally finished my usb sound card/vox interface. The original post with the schematic is here. […]