infrared ...

[bashekmagroh]

Hello guys ...
can any body give circuit diagrahm about infrared alarm system .
witch is using to IR led one transmitter and one reciver. and these two LED
make a beam . when any one cross that beam the alarm will run ..
i need the beam betwen 2-5 meter ...
regards

 

[birdman0_o]

Do you want the circuit to be all analog or digital?

 

[bashekmagroh]

witch one is better .. ??

 

[birdman0_o]

Which digital you need to know how to program etc. What does your teacher want you to do?

 

[bashekmagroh]

its just for my own .... i found another circuit witch was easy for me . but one of the compenets was missing ..i coudlnt find .. actually am looking for a circuit witch easy without programing just fix it and let it works .. i did so many research about it but i couldnt find ... i just want a simple one . only want to fix in the bread board and let it go

 

[birdman0_o]

Which component is not available to you?

 

[bashekmagroh]

LHI-954 / KDS245 Infrared Detector

 

[bashekmagroh]

and here is the circuit
**broken link removed**

 

[jamesinnewcastle]

There are two RPY97 IR detectors on e-bay at the moment, not necessarily direct replacements but I suspect that making them fit would be fun! 99p each at the moment!


James

 

[birdman0_o]

Naturally, the OP didnt fill out his location, perhaps he cannot receive shipments from ebay.

 

[MikeMl]

Hello guys ...
can any body give circuit diagrahm about infrared alarm system .
witch is using to IR led one transmitter and one reciver. and these two LED
make a beam . when any one cross that beam the alarm will run ..
i need the beam betwen 2-5 meter ...
regards

Follow this thread, and https://www.electro-tech-online.com/threads/bpw41n-problem.97725/.