I have the Alinco TR-135 with the built in TNC and an outboard GPS. I am curious if anyone has built a contoller for APRS using a PIC or Arduino to control the radio. I have seen plans for the entire TNC that use an external PC, but what I hope to do is use the PIC as a substitute for the PC. Also seen a mini-tracker that has everything built-in and self contained. Since I already have the radio and GPS, I just need the controller piece.
Has anyone attempted to use a PIC for just APRS control as a substitute for the PC?
I'm a little new in the APRS area, so any advice would be appreciated.