Sharp GP2Y0A02YK0F IR Range Finder Sensor (15-150 cm)
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Prices updated: 13 Oct 2026
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About this product
The Sharp GP2Y0A02YK0F is an infrared proximity and range finder sensor that measures distance from 15 cm to 150 cm. It outputs an analog voltage that rises as an object gets closer, so it can be read by a microcontroller ADC. Commonly used in robotics, obstacle detection and industrial distance sensing.
Specifications
- Operating voltage
- 4.5 V to 5.5 V
- Average current
- 30 mA (typical)
- Measuring range
- 15 cm to 150 cm
- Output type
- Analog voltage
- Connector
- 3-pin (VCC, GND, Vo)
Frequently asked questions
How do I read the distance from the sensor?
Connect Vo to an analog input pin and read the voltage with the ADC. The output is non-linear and falls as distance increases, so convert readings to distance using the lookup table or curve from the datasheet rather than a straight-line formula.
Can it be powered from a 3.3 V board?
No. The listed operating range is 4.5 V to 5.5 V, so power the sensor from a 5 V supply. Share the ground with the microcontroller, and use an ADC input that matches the output voltage range.
