GP2Y0A51SK0F IR Ranging Sensor 2–15cm | Arduino I2C Module
GP2Y0A51SK0F Infrared Ranging Sensor Module – Precise Short-Range Detection for Arduino & DIY Projects
The GP2Y0A51SK0F IR Infrared Ranging Sensor Module is a compact, high-accuracy distance-measuring sensor designed for makers, hobbyists, and engineers. Operating over a 2 to 15 cm range with a clean 5V I2C digital output, this module integrates effortlessly with Arduino boards, Raspberry Pi, and virtually any microcontroller platform — making it ideal for robotics, obstacle detection, proximity sensing, and automation projects.
Made in Mainland China.
Key Features
- Short-Range IR Sensing: Accurately measures distances from 2 cm to 15 cm using Sharp's proven GP2Y0A51SK0F infrared technology.
- I2C Digital Output: Clean, noise-resistant digital signal — no analog-to-digital conversion needed; just plug in and read data directly.
- 5V Operating Voltage: Perfectly matched to Arduino Uno, Nano, Mega, and other common 5V development boards.
- Compact & Lightweight Design: Small form factor makes it easy to mount in tight spaces on robots, drones, or enclosures.
- Fast Response Time: Real-time distance readings for dynamic, responsive projects.
- Plug-and-Play Ready: Module format with pre-soldered connectors for quick wiring and prototyping.
- Wide Compatibility: Works with Arduino, ESP8266, ESP32, Raspberry Pi, STM32, and more.
Specifications
- Model: GP2Y0A51SK0F
- Detection Range: 2 – 15 cm
- Output Type: Digital (I2C)
- Operating Voltage: 5V DC
- Sensor Type: Infrared (IR) Ranging / Proximity
- Material: Mixed composite components
- Origin: Mainland China
Perfect For
- Arduino robotics and obstacle avoidance
- Proximity-triggered automation and smart home projects
- Object detection and counting systems
- Line-following and edge-detection robots
- DIY electronics and STEM education
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Frequently Asked Questions
Q: Is the GP2Y0A51SK0F sensor module compatible with Arduino boards?
A: Yes! The GP2Y0A51SK0F IR ranging sensor module operates at 5V and uses an I2C digital output, making it directly compatible with Arduino Uno, Nano, Mega, and most other standard Arduino boards with no additional circuitry required.
Q: What is the effective measuring range of this infrared sensor?
A: This sensor module is optimized for short-range distance detection between 2 cm and 15 cm, making it ideal for close-proximity applications such as obstacle avoidance, object detection, and gesture-triggered systems in robotics and automation projects.
Q: Can this sensor be used with platforms other than Arduino?
A: Absolutely. Thanks to its standard 5V I2C interface, the module is compatible with a wide range of development platforms including ESP8266, ESP32, Raspberry Pi, STM32, and other microcontrollers that support I2C communication.