Optical Sensors - Photointerrupters - Slot Type - Logic Output

Optical Sensors - Photointerrupters - Slot Type - Logic Output | 1149 items

Keywords: , Optical Sensors - Photointerrupters - Slot Type - Logic Output

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Questions with Optical Sensors - Photointerrupters - Slot Type - Logic Output

  • Ask: What is a photo interrupter?

    Answer: A Photointerrupter is a transmission-type photosensor, which typically consists of a light emitting elements and light receiving elements aligned facing each other in a single package, that works by detecting light blockage when a target object comes between both elements, acting as an optical switch.

  • Ask: How do I test a photo interrupter?

    Answer: Test it. Be sure to have the maximum of ambient light that is possible in your situation. First decrease R2 to get a stable HIGH signal with LED off. Then find R1 in order to have your output voltage at 0.4V with LED on (=stable LOW signal).

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