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Beth Stackpole
User Rank
Blogger
A parent's dream
Beth Stackpole   8/17/2011 9:05:21 AM
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Sounds like he might have a captive audience for this for parents who want to control the volume of their teens' music or Xbox games from behind the scenes. Might help avoid some of the daily conflict. Sign me up!

Lauren Muskett
User Rank
Platinum
Remembers Your Settings
Lauren Muskett   8/17/2011 9:07:35 AM
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I think the most interesting function of this gadget is that it remembers your favorite volume level. I am always fussing with my iPod and speakers trying to get the right volume so this would be great.

Rob Spiegel
User Rank
Blogger
Line of sight
Rob Spiegel   8/17/2011 10:59:33 AM
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On of the interesting things about this device is that it doesnt' require line of sight and it goes through walls. With all of the changes we've seen in consumer electronics, the one device that hasn't changed substantially since the 70s is the remote.

Jack Rupert, PE
User Rank
Platinum
Re: Line of sight
Jack Rupert, PE   8/31/2011 3:28:16 PM
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I might actually have to try this one.  Like Rob, I'm impressed with the fact that it goes through walls.  50' is also a great advantage....

Rob Spiegel
User Rank
Blogger
Re: Line of sight
Rob Spiegel   8/31/2011 3:46:28 PM
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You're right, Jack. We're all so used to line-of-sight -- and nobody walking through that line. Seems like the whole world of remotes could be revampped on this principle. Our remotes -- which are in everyone's home by the armful -- still operate on 70s technology.

armorris
User Rank
Platinum
Additional info
armorris   8/13/2012 11:40:52 AM
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Contact me for a minor bug fix to the remote decoder PIC ASM code in Gadget Freak Case # 192, the remote volume control. The BITST subroutine was rewritten for better noise immunity. Alternatively, you can get the updated BITST subroutine from the remote fan control in Gadget Freak Case #198. Don't use the whole program, as it will slow down the volume control response. 

Alternate sources for the remote control to be hacked up:

Home Depot Westek Model # RFK306LC Store SKU # 567861

Home Depot (Christmas season only) Home Accents Holiday Model # RC-009A-1 Store SKU # 202620 (Same as above units, but has two outlets).

Lowe's SKU # 0357410 (Christmas season only) It is the same as the Home Depot Christmas version, but has a smaller remote, that is electrically identical to the remote used in this gadget.

Both seasonal remote control systems will work in this project, and both cost $10.

Andrew R. Morris morr3763@bellsouth.net

Rob Spiegel
User Rank
Blogger
Re: Additional info
Rob Spiegel   8/13/2012 5:02:15 PM
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Thanks for posting this, Andrew. I'm sure our readers appreciate it.

dgrant
User Rank
Iron
Re: Additional info
dgrant   10/10/2012 6:02:07 PM
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This project is awesome, and it's just what I've been looking for so my parents can control the volume of the external speakers attached to their TV.

What was the total resistance of the DS1809 that you used? Thanks.

armorris
User Rank
Platinum
Re: Additional info
armorris   10/10/2012 11:41:39 PM
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The resistance of the pots is 10K. See this link for further information.

http://www.youtube.com/watch?v=tyes_H9zIc8&feature=youtu.be

Let me know if you need me to send you programmed PICs. My email address is in the article.

 

dgrant
User Rank
Iron
Re: Additional info
dgrant   10/11/2012 1:42:02 PM
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Thank you, yes, I have been thinking about asking you about programmed PICs. I am currently trying to source all the parts without paying too much shipping. If that is not too much hassle I may get a pickit2 and program it myself. If it's big hassle I may ask you for PICs to save some time. I'll let you know via email.

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