Sharp Distance Sensor 2Y0A21

LKR 850

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The Sharp distance sensors are a popular choice for many projects that require accurate distance measurements. Sharp Distance Sensor 2Y0A21 (10-80cm)is more economical than sonar rangefinders, yet it provides much better performance than other IR alternatives. Interfacing to most microcontrollers is straightforward: the single analog output can be connected to an analog-to-digital converter for taking distance measurements, or the output can be connected to a comparator for threshold detection. 


  • Current 30 mA
  • Distance Range 10cm ~ 80cm
  • I/O Pins Analog Output
  • Length x Width x Height 44.5mm × 18.9mm × 13.5mm
  • Operating Voltage 5 V
  • Package SHARP Distance Sensor 2Y0A21
  • Connecting Wires

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