Re: Receiver Hardware Problems: RESOLVED

[Rick W. <ri...@sa...>]

Hi Brett, do you have a working wiring diagram for your  receiver?  I'm having 
problems with mine using the radio shack receiver and am hoping to get it 
working soon..

From: Brett Jones <lirc@br...> 

>  First a big thanks to Karl and Blars for their suggestions.  It's 
> great to know you're not alone in the dark days of debugging, and the 
> list was helpful.
 
> Second, for the Captian Obvious suggestion of the month:  If you're 
> having trouble getting hardware to work, first build it on a breadboard 
> (the solderless variety).  Only at the last did I remember that I had 
> one of these laying around from school days.  Once I pulled it out (and 
> had a huge stack of parts to try from weeks of failed experiments), I 
> was able to mix and match the parts on the fly to get them working, w/o 
> the lost hours soldering and unsoldering.
 
> Finally, my working part list:  The LM2931Z-5 didn't work for me at all. 
>  Perhaps Digikey sent me two bad ones, but I couldn't get even the 
> simplest circuit to work (diode off RTS, input and output capacitors on 
> regulator).  The Radio Shack 7805 (part 276-1770) regulator did the 
> trick however.  I used the 100uF output capacitor and .1uF input 
> capacitor on the regulator as suggested by the list.  This produced a 
> steady 5V power source.  The Sharp GP1UD261XK receiver then worked w/o a 
> hitch.  Once it worked, I didn't even try the various Radio Shack 
> receivers, but they had not been working in previous configurations.
 
> Thanks again for the help,
 
> Brett