[Robotgroup] Troubleshooting TV remote control

[brooksdesign]

  I've been wanting to try hacking a TV remote to control a robot or some sort of general control device that will receive the signal into a basic stamp thingy and output to a relay or servo or something depending on how you have it programed.A box with a bunch of PWM outs,12VDCs,110VACs,Some 110VDC triacs for that ever so popular romantic mood lighting(or in my more likly case, shade controls for my robot girlfriend's eyes),and maybe hack some volume controls for my primitive TVs and stereos.
-brooks  

-----Original Message-----
>From: Andre Lamothe <ceo at nurve.net>
>Sent: Feb 3, 2008 9:21 PM
>To: The Robot Group Mailing List <robotgroup at puremagic.com>
>Subject: Re: [Robotgroup] Troubleshooting TV remote control
>
>Boy, the chances of the IR led going are 1 in a million. Definitely scope 
>the LED voltage to see what the peak to peak is, some leds have more or less 
>forward voltage and the one that it uses might take more or less, so the rad 
>shack might not work. The wavelength is probably ok since there's a lot of 
>room for error in that with IR. Do you have another set that is compatible 
>with the remote, remember, the TV's IR receiver might have went bad :) So 
>you are at the wrong end of the problem. But, if you're lucky, sound like 
>you have a bad IR LED.
>
>Also, if you really want to be a nerd see if you can find the tech specs for 
>the TV online, they always have the remote with them and the wavelength etc. 
>of the IR emiiter as well.
>
>Andre'
>
>----- Original Message ----- 
>From: "Def Egge" <robodigest at innervate.com>
>To: "The Robot Group" <robotgroup at puremagic.com>
>Sent: Sunday, February 03, 2008 8:14 PM
>Subject: [Robotgroup] Troubleshooting TV remote control
>
>
>
>TV remote went south after a night of being lost somewhere in the
>interior of a recliner.
>
>Batteries were low - replaced....
>
>Contacts cleaned to be certain....
>
>Confirm that digital camera can detect IR pulses on a working
>remote....
>
>Checked for IR pulses with digital camera - nothing....
>
>Checked as much of the analog circuitry as I am able - no obvious
>failed components nor broken leads / traces in PCB....
>
>Soldered visible LED across the leads of the IR LED in the remote -
>Ah ha!  Visible LED pulses....
>
>Need to replace 5mm IR LED - Rat Shack carries a 1.2V 5 mm IR LED
>(940 nm), model 276-143   Problem solved?
>
>
>
>-- 
>
>All the best....
>
>Mike
>
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