RF Remote Controls Problems

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#1 21662892 06 Jul 2012 08:12

Vinod Sharma Vinod Sharma

Anonymous

Post #1
21662892 06 Jul 2012 08:12

Hello Experts,
I am a hobbyist and want to learn deep in multi channel remote functioning and problem solving. what could be the wrong in RF remotes when not shaking hands. What are the most common problems how can I trace and rectify?
What instruments do I need to trace and fix problems?

Please help,All kind of help and suggestions appreciated.
Thanks

Vinod Sharma
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#2 21662893 06 Jul 2012 20:06

Floy Viola Floy Viola

Anonymous

Post #2
21662893 06 Jul 2012 20:06

hi,

could you be more specific on what rf remote you are refering? have you done any assembly of IR remote control transceiver using discrete components?
#3 21662894 08 Jul 2012 20:02

Vinod Sharma Vinod Sharma

Anonymous

Post #3
21662894 08 Jul 2012 20:02

Thanks, I want to learn about RF remotes used for crane controls car remotes and other remotes used for similar purpose.
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#4 21662895 13 Jul 2012 06:50

Vinod Sharma Vinod Sharma

Anonymous

Post #4
21662895 13 Jul 2012 06:50

Experts...!!!!!!!!!! please suggest.

Thanks.
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#5 21662896 13 Jul 2012 21:11

Floy Viola Floy Viola

Anonymous

Post #5
21662896 13 Jul 2012 21:11

do you have a source for HT-12E as decoder/encoder and WZ-T434 as transmitter and WZ-R434 as receiver. thats the simplest circuit i can think of. the others are the use of microcomtrollers like the PIC12F509 from Microchip which is a 8-pin single-chip microcontroller or or even simpler use AT90S2323 microcontroller & TLP434 as its transmitter and RLP434 as receiver.........
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#6 21662897 17 Jul 2012 10:33

David Adams David Adams

Anonymous

Post #6
21662897 17 Jul 2012 10:33

First thing to do is to make sure the units are transmitting. Easiest reason I can think of if they are not handshaking with each other. I would start there - use a rf detector to see they are transmitting. Fixing the problem is a whole other issue. Finding the problem is the hardest.
#7 21662898 18 Jul 2012 06:50

Vinod Sharma Vinod Sharma

Anonymous

Post #7
21662898 18 Jul 2012 06:50

Thanks David Can I read frequency? if Tx frequency is different then Rx can they shake hands. For different channels it has various frequencies ?

Thanks again
#8 21662899 18 Jul 2012 07:43

David Adams David Adams

Anonymous

Post #8
21662899 18 Jul 2012 07:43

The RX and TX are at different frequencies - the channels are usually crystal controlled. The base unit transmits on one frequency and the field unit recieves that frequency and vice versus.
#9 21662900 18 Jul 2012 09:35

Vinod Sharma Vinod Sharma

Anonymous

Post #9
21662900 18 Jul 2012 09:35

Thanks David
Is there any book or article that I can go on and get more detailed info about them ?
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