Motorized selector switch

[portreathbeach]

Hi,

I am thinking of building a pre-amp with IR control which will control the volume using an ALPS motorized pot, but I want to be able to change the input using some kind of motorized selector switch. Does anyone know where I can get one from?

Thanks

 

[star882]

A long time ago, computers used "counter" relays for memory. Pulse the coil and it switches to the next state.

Nowadays, the solution is a rotary encoder, a microcontroller, and a multiplexer.

 

[Steerpike]

Something from an electrol-mechanical telephone exchange?

 

[gmphadte]

Yamaha amps had it, some years back.