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Motion Detector Circuit [Project]
posted October 8 2013 9:59.41 by spic0m




Here is the simple and reliable circuit which uses IR sensor for transmitting the IR beam and photo transistor for receiving the IR beam. If there is any disturbance or interference in between the transmitting and receiving of the beam, it will justify that there is an intrusion and makes the alert through alarm. This is circuit is easy to construct and cost of circuit is very low when compared to normal motion detector.

[Link: electronicshub]
 
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