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Sharp GP2Y0A21YK0F Analog Distance Sensor 10-80cm

JS-7714

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The Sharp distance sensor's are a popular choice for many projects that require accurate distance measurements. This IR sensor is more economical than sonar range-finders, yet it provides much better performance than other IR alternatives. Interfacing to most microcontrollers is straightforward: the single analog output can be connected

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Description:
The Sharp distance sensor's are a popular choice for many projects that require accurate distance measurements. This IR sensor is more economical than sonar range-finders, 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. The detection range of this version is approximately 10 cm to 80 cm (4" to 32").


The GP2Y0A21 uses a 3-pin JST connector (not included). It is also simple to solder three wires to the sensor where the connector pins are mounted. When looking at the back, the three connections from left to right are power, ground, and the output signal.

Features:

  • Operating voltage: 4.5 V to 5.5 V
  • Average current consumption: 30 mA (typical)
  • Distance measuring range: 10 to 80 cm (4" to 32")
  • Output type: analog voltage
  • Output voltage differential over distance range: 1.9 V (typical)
  • Response time: 38 ± 10 ms
  • Package size: 29.5×13.0×13.5 mm (1.16×0.5×0.53")
  • Weight: 3.5 g (0.12 oz)

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