Audio Input Switch

Yay! I just finished porting the software for my PIC-based audio input switch to the PIC16F630. Earlier this afternoon I got it feature-complete and worked out all the bugs I could find, then in the last half hour or so I got it running on the new chip.

Tonight I hope to get it working with internal pullups (should be trivial) and then I’ll give the power supply design some thought, along with initial parts selection for the PCB itself.

Since I haven’t mentioned it here before, it’s:

– 2-5 input audio selection switch (configurable via jumpers)
– Relays for switching audio
– Fail-safe design
– Switches balanced or unbalanced audio
– Next / Previous buttons
– Mute function
– Saves input to ROM so that last state is restored at power-on
– MIT-licensed software

I’ll post more info later. Now it’s time to go home and meet up with Danielle for dinner.