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Sharp GP2Y0A02YK0F Infrared Proximity Sensor (20-150cm)

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CATEGORY	SPECIFICATIONS
Product Type	Analog Infrared Distance Measurement Sensor
Model	GP2Y0A02YK0F
Sensor Type	Sharp IR triangulation distance sensor
Operating Principle	Uses PSD (Position Sensitive Detector), IR LED, and signal processing circuit with triangulation method
Measuring Distance Range	20 cm – 150 cm
Output Type	Analog voltage output
Output Behavior	Output voltage is inversely proportional to distance
Operating Voltage	4.5 V – 5.5 V DC
Power Consumption	~33 mA (typical)
Measurement Method	Optical triangulation (angle-based reflection detection)
Environmental Influence	Minimal effect from object color, ambient temperature, or measurement time
Resolution	Higher ADC resolution improves accuracy (10-bit ADC ≈ 0.1 cm resolution)
Signal Interface	Analog output (requires ADC for microcontroller use)
Physical Size	29.5 mm × 13 mm × 21.6 mm
Key Features	Stable mid-to-long range sensing, reliable analog output, compact design
Output Characteristics	Non-linear voltage-distance curve
Key Advantages	Good accuracy for medium-range detection, unaffected by environmental conditions
Applications	Obstacle avoidance, distance measurement, robotics navigation, automation systems, smart devices