object motion path distinguishmen circuit

Published:2011/9/6 23:44:00 Author:chopper | Keyword: motion path, distinguishmen circuit | From:SeekIC

Puttwo photoresistors who have the similar resistance and performance on the same side of the object motion path at theappropriate distance.Settwo light sourceson the relative position of the other side respectively, so that objects can move in a straight line between the light source and photosensitive resistor. Using the circuit shown in picturecan determine the direction of motion path. Circuit is formed by the bridge and polarity distinguishment. Rs1, Rs2, R1, R2, and Rw form the bridge and power supply E0 offers the power,and endsA, B output.



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