Re: Remote controlled audio potentiometer (OT?)

From: Mark Jones (abuse_at_127.0.0.1)
Date: 03/17/05 

Date: Thu, 17 Mar 2005 09:20:16 -0500

Paul Hovnanian P.E. wrote:
> Maxy888 wrote:
>
>>Hello,
>>
>>I would like to change the manual volume potentiometer of my integrated
>>amplifier with a motor-driven potentiometer which must be infrared
>>controlled.
>>
>>My question is simple...
>>
>>How do I do that?
>>
>>I've already chosen the potentiometer, what do I need now? A servo control?
>>And what about the infrared control and reciever?
>>
>>Do you have any idea about some newsgroup I colud ask in?
>>
>>Thank You
>
>
> Must you use a motor-driven pot? There are 'digital potentiometers' that
> can replace audio level controls and take up/down pushbutton inputs. All
> the brains already built in.
>
> It should be a simple matter to take an IR receiver, decode the up/down
> remote buttons with a simple pic and run a couple of these.
>

 To a newcomer to microcontrollers, no PIC is simple.

> There was an article in Circuit Celllar on using these in joysticks. The
> p/n for their digital pot was a Maxim DS1869. This might be a good place
> to start looking.
>

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