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 remote send/receive +25meters single signal LED
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By: Anonymous: crzysurf () on Friday, January 04 2008 @ 02:38 PM PST (Read 6966 times)  
Anonymous: crzysurf

This may be very simple for someone but I am looking to make something very small, size of an 9V battery if possible, not including an antena.
I need help making a button that I can push that would send out a signal to light up a LED light (one another exact type of device)
AND
that same device be able to receive that signal.

any thoughts?





       
   
By: Windell (offline) on Saturday, January 05 2008 @ 03:49 PM PST  
Windell

I'm afraid there isn't any particularly easy and cheap solution to this, but a few things can be hacked to do the job:

One way is get a tiny radio control toy-- the kind that charges on a little stand and runs for a minute-- and take the transmitter and receiver from that to do your bidding. Second option: make a little infrared light pulse detector and control it with a standard remote control.


Windell H. Oskay
drwho(at)evilmadscientist.com
http://www.evilmadscientist.com/

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By: Anonymous: flanman () on Tuesday, April 29 2008 @ 05:22 AM PDT  
Anonymous: flanman

lately i've been trying to figure out how to make a short range bluetooth transmitter to be used to computers into projectors and control them from across my house.





       
   
By: Anonymous: tt () on Sunday, May 10 2009 @ 10:21 PM PDT  
Anonymous: tt

could this be achieved by rf? Using a rf transmitter and receiver? I'm trying to work on a project to do this, but I can't seem to find relevant schematics to build them. Seems like most of them use IR.





       
   



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