Sharp GP2Y Series Infrared Distance Measuring Sensors Accurate, compact, and reliable, the Sharp GP2Y series provides performance optical distance measurement for a wide range of electronic and robotic applications. Each model covers a specific measurement range, allowing precise detection across short to long distances. Available Models GP2Y0A51SK0F: 2 to 15 cm detection range GP2Y0A41SK0F: 4 to 30 cm detection range GP2Y0E03: 4 to 50 cm detection range GP2Y0A02YK0F: 20 to 150 cm detection range GP2Y0A710K0F: 100 to 550 cm detection range Key Features and Benefits Accuracy Optical Sensing: Uses infrared reflection to measure distance accurately with minimal interference from ambient light. Wide Range Selection: Choose from multiple models to match your specific working distance requirements, from close proximity detection to longrange measurement. Compact and Lightweight Design: Small form factor enables easy integration into robots, automation equipment, and embedded systems where space is limited. Stable and Reliable Output: Provides consistent, voltagebased distance output for easy interfacing with microcontrollers such as Arduino, Raspberry Pi, and other control boards. Durable Construction: Solid build quality ensures long sensor life and stable operation in a variety of environments. Function and Performance The GP2Y series sensors operate on an optical triangulation system combined with an integrated signalprocessing circuit. The analog voltage output corresponds directly to the measured distance between the sensor and target object. This allows users to achieve smooth, realtime distance data without the need for complex calibration. Compatibility and Integration Each sensor features standard 3pin connections for power, ground, and analog output. Typical operating voltage is 4.5 to 5.5 V, making the sensors ideal for direct use in a wide range of lowvoltage electronics and controller platforms. Applications Robotics: Enables obstacle detection and collision avoidance in autonomous robots or robotic arms. Industrial Automation: Ideal for distance control, object detection, or material handling in automated systems. Consumer Electronics and DIY Projects: Suitable for distancebased triggering, level detection, or motioncontrolled lighting systems. Sizes and Operating Ranges Choose the model that suits your required detection range: Shortrange sensing (2–15 cm): GP2Y0A51SK0F Mediumrange sensing (4–30 cm, 4–50 cm): GP2Y0A41SK0F and GP2Y0E03 Longrange sensing (20–150 cm, 100–550 cm): GP2Y0A02YK0F and GP2Y0A710K0F The Sharp GP2Y series infrared distance sensors deliver fast, accurate, and stable distance measurements with proven optical sensing technology. They are designed for engineers, developers, and hobbyists who need dependable distance detection across a range of applications.