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Motorized selector switch
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Old 13th February 2010, 09:58 PM   #1
portreathbeach is offline portreathbeach  United Kingdom
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Location: Cornwall
Default Motorized selector switch


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?

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Old 13th February 2010, 11:15 PM   #2
star882 is offline star882  United States
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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.
"Fully on MOSFET = closed switch, Fully off MOSFET = open switch, Half on MOSFET = poor imitation of Tiffany Yep." - also applies to IGBTs!
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Old 13th February 2010, 11:24 PM   #3
Steerpike is offline Steerpike
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Something from an electrol-mechanical telephone exchange?
Steerpike's Toybox
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Old 16th February 2010, 03:54 AM   #4
gmphadte is offline gmphadte  India
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Location: Dona paula, Goa
Yamaha amps had it, some years back.
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