


OptoCoupler Sensor - Photo Interrupter Module, Photo Electric Counter
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
OptoCoupler Sensor - Photo Interrupter Module, Photo Electric CounterPhoto interrupter, photogate is a sensor is composed of an infrared emitter and infrared detector placed on face to face. It applies the principle that light is interrupted when an object passes through the sensor. Used for many applications including optical limit switches, general object detection, etc. Basically, a photo interrupter consists of two parts: transmitter and receiver. The transmitter (IR LED) emits light and then the light goes to the
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★★★★★ 2
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Much smaller in person than it appears. Looks more like a piece of coral than a tree. I got this to display some ornaments for sale at craft fairs, but it’s so small, it looks silly with the ornaments on it. Super flimsy, made of cheap plastic. Definitely not worth $14. Will be returning.
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Reviewed in the United States on May 12, 2026
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Reviewed in the United States on February 4, 2026
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Reviewed in the United States on November 8, 2025
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Cheaply Made
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Great for use atop the bedside table!
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