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ir receiver and transmitter

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mdamul

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my question is about what is the internal circuit of ir transmitter
and receiver.any schematic .
 
my question is about what is the internal circuit of ir transmitter
The transmitter is very simple. It is just a LED. just for IR not RED or GREEN.
and receiver.any schematic .
The receiver is very complicated. What do you want to know?
upload_2014-12-7_7-53-56.png
 
Yes there are many different types.
A setup for remote control cars is going to be a lot different from a TV remote control.
What are you looking to do?
 
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