DIY Volume Remote Controlled for our GC?? - diyAudio
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Old 28th November 2005, 08:28 AM   #1
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Talking DIY Volume Remote Controlled for our GC??

Some people like to use analog volume control. But when we sit far from our system,it's difficult to adjust the right volume with our listening position.So, i think we need to build DIY remote controlled volume for our GC.
So, i think to build this remote controlled volume. Of course we need to use Digital Potentiometer, Transmitter and Receiver Infrared and a Microcontroller as a controller for this digital remote volume control.
Does anyone know how to build that digital remote controlled volume?

regards
---------
TomZ

Maybe, i will use at89s51 as a controller.
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Old 28th November 2005, 02:51 PM   #2
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there are lots of threads on this subject in this forum, do have a search and u ll come across many particularly related to PIC16F877.
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Old 29th November 2005, 04:22 AM   #3
jaycee is offline jaycee  United Kingdom
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For 2 channels, you wouldn't need to use a digital potentiometer chip/volume control IC. You could use a motorised potentiometer. All you would have to do is set up a H Bridge to drive the motor (or get an IC to do that). You do however still need a microcontroller for decoding RC5 infrared though.
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Old 29th November 2005, 07:48 AM   #4
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Ok, maybe i should search for H-bridge driver. But i will get a difficult in mechanic construction especially about gear.
I don't know how to build this remote motor for volume.
I know 89s51 languange. it's very easy to drive the motor. but difficult for the Ir transmitter and receiver.
it is a PWM pulse?with a vary duty cycle for each button?

regards
---------
TomZ
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Old 29th November 2005, 10:07 AM   #5
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In such a case i d suggest u to pay a visit to this thread and drop me a line at my email and then may be we could help each other out.
High End Pre Group Design Invitation
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Old 29th November 2005, 10:31 AM   #6
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hi tom,

try this link: http://sound.westhost.com/project110.htm


regards:
ragil hastomo
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Old 29th November 2005, 11:42 AM   #7
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This place sells a pre-programmed micro controller which will decode a Sony IR remote...that would solve most of your problem right there:
http://www.rentron.com/remote_control/IR-D15A.htm
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Old 30th November 2005, 10:31 AM   #8
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Hi dhengkoel!!Can i pm u?
Thx guys. I have a conclude for this problem. It is easier when we build this remote volume using mechanic with a less programming. If i use digital potentiometer we need some a lot of programming.
I have an idea to make this project more easy. How about if we used some branded transmitter like our Tv's remote or Sony's remote control (transmitter).
Each have different pulse width, so we only build receiver and a digital potentiometer using dallas IC's DS18xx.How about that?
Does digital potentiometer give some terrible effect to my GC's?


regards
----------
TomZ
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Old 30th November 2005, 07:18 PM   #9
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We should be adding a remote function for our Kookaburra and (when available) source selector very soon, if that helps anyone.
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Old 28th May 2010, 07:48 AM   #10
tvicol is offline tvicol  Romania
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We already have developed a R2R/Shunt volume controller with LED / LCD display.
GB for R2R audio volume / input selection pcb

Also you have entire project (schematic, gerber files, LCD and LED atmega firmware) presented on vicol audio : r-2r volume controller


Please leave a message if you are interested, on GB thread. The webshop will open 7.iune at 12:00gmt.

Regards,
Tibi

PS. Sorry ... now I see that this thread is quite old. :-(
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