Sharp GP2Y0A21 IR Distance Sensor (10-80cm)

Sharp GP2Y0A21 IR Distance Sensor (10-80cm)
Brand: SparkFun
Product Code: MYD0474
Availability: 4
Price: RM68.90
Exclude GST: RM65.00
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The Sharp distance sensors are a popular choice for many projects that require accurate distance measurements. This IR sensor 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. The detection range of this version is approximately 10 cm to 80 cm (4" to 32").

The GP2Y0A21 uses a 3-pin JST connector that connects to 3-pin JST cable for sharp distance sensor as shown in the upper picture. 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.

Come complete with 3-pin JST cable.

Feature summary

  • operating voltage: 4.5 V to 5.5 V
  • average current consumption: 30 mA (typical)
  • distance measuring range: 10 cm 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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