Sharp Microelectronics GP2Y0A710K0F 100–550cm Distance Sensor with Cable

The Sharp Microelectronics GP2Y0A710K0F is designed for long-range infrared distance measurement, with a specified operational range of 100 centimeters (1 meter) to 550 centimeters (5.5 meters). It provides reliable analog output within these limits. For distances below 100 cm, a different model like the GP2Y0A21YK0F is recommended.

Connect the sensor's red wire to the 5V pin, black wire to GND, and the white (signal) wire to an analog input pin (e.g., A0) on your Arduino. The output is an analog voltage that decreases as distance increases. You must read this voltage with the ADC and map it to a distance value using the sensor's characteristic curve or a provided calibration formula.

Yes. Per Sharp Microelectronics's datasheet, due to the sensor's pulsed current consumption, it is strongly recommended to place a 10 µF to 100 µF electrolytic capacitor between the VCC and GND lines, as close to the sensor's pins as possible. This capacitor stabilizes the power supply and prevents voltage drops that can cause inaccurate readings or microcontroller resets.

The sensor provides a non-linear analog voltage output. The voltage is inversely proportional to distance; it is higher when an object is closer (within the near limit) and lower when the object is farther away. The exact relationship is non-linear, so for precise measurements, you must use the transfer function graph or data table from the official Sharp Microelectronics datasheet to convert the ADC reading to distance.

While the sensor has internal modulation to reduce ambient light interference, performance can be degraded in direct, intense sunlight or with highly reflective targets. It is best suited for indoor use or controlled outdoor environments. For harsh outdoor conditions, consider sensors with more robust environmental sealing and optical filtering.