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Sharp IR Sensor - GP2Y0A21YK0F is a distance measuring unit, can be used for obstacle detection for robots. It has measuring range of 10 to 80 cm. The sensor gives output voltage proportional to the distance measured. The sensor adopts triangulation method hence cannot be easily influenced by variety of reflectivity of object or ambient temperature and provides reliable readings. The module can be used in obstacle detection for robots, sensor for energy saving, amusement equipment (like arcade game machine) and many such applications. Its high obstacle detection range makes this sensor an excellent alternative to sonar in some applications. Note: Cables for sensors are not included in the product pack.


  • Composed of an integrated combination of PSD (position sensitive detector), IR LED (Infrared light emitting diode) and signal processing circuit
  • Small compact size and easy to use
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Sharp IR Sensor - GP2Y0A21YK0F

Distance Range 10cm-80cm
Product Code: (H-ELC-SEN-INL-2)


in stock


General Specifications
Current Consumption 30mA
Interface Analog (Voltage)
IR Range 10 to 80 cm
Update Rate 38 ± 10 ms
Power Supply
Phase Voltage 5V