Help please:
Does anyone know what components are needed to make a DC (not DCC)controller for sound on QSI-equipped engines? Basically I'd like to know what's inside a device like a "Sidekick" which provides a button for Horn and Bell for QSI sound. With a few power packs, I'd rather not buy a few Sidekicks and mount them somewhere - I'd just like to wiring a Horn and Bell button into my existing control panels. I could just install a single DPDT slide switch, but the separate Horn and Bell buttons has appeal.
Thanks-