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Wiring Photo Interrupter Light Blocking Switch with Raspberry Pi

photo interrupter is transmission type photo sensor that integrates optical receiving and transmitting elements in a single package please see the diagram below. Since the method involves light blocking commonly named photo interrupter. A long life infrared photo diodes is applied for output while a single photo transistor and photo IC are integrated on the other side for light detection.

Component Required

Wiring Guide (Click the Image to Enlarge)

Compiling & Uploading the Code

C Source Code
[crayon-673f6164d8ad2051717533/]
Python Source Code
[crayon-673f6164d8add591770992/]
 

Wiring Photo Interrupter Light Blocking Switch with Raspberry Pi
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