The KY-010 is a photo interrupter module, also known as a broken light blocking sensor or a light barrier, that detects changes in light intensity caused by the interruption of a light beam. It consists of an optical emitter and a detector, and when an object obstructs the light path between them, the sensor output changes.
The Light Blocking Module, also known as a Photo Interrupter or Slotted Optical Sensor, is a sensor that detects changes in light intensity caused by the interruption of a beam of light.
KY-010 Photo Interrupter Module for Arduino will trigger a signal when light between the sensor’s gap is blocked.
KY-010 Photo Interrupter module consists of an optical emitter/detector in the front and two resistors (1 kΩ and 33 Ω) in the back. The sensor uses a beam of light between de emitter an detector to check if the path between both is being blocked by an opaque object.
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