Sharp Microelectronics GP2Y0A51SK0F 2cm~15cm Infrared Distance Sensor
The Sharp Microelectronics GP2Y0A51SK0F is a compact infrared distance measuring sensor module offering a short-range detection span of 2cm to 15cm. It provides an analog voltage output proportional to distance, making it compatible with microcontrollers like Arduino, Raspberry Pi, and ESP32 for robotics, object detection, and proximity sensing applications.
Features
- Short-range infrared triangulation sensing from 2cm to 15cm.
- Analog voltage output for direct ADC connection to microcontrollers.
- Compact, integrated PSD (Position Sensitive Detector) and IR LED design.
- Low current consumption, suitable for battery-powered projects.
- RoHS compliant construction for environmental safety.
Out of stock
The GP2Y0A51SK0F from Sharp Microelectronics utilizes infrared triangulation to measure distance. An internal infrared LED emits a beam that reflects off a target object onto a one-dimensional Position Sensitive Detector (PSD). The position of the reflected spot on the PSD changes with distance, which the internal signal processing circuit converts into a corresponding analog output voltage. This method provides a non-contact, reliable distance measurement solution.
Designed for integration into compact electronic systems, the module operates within a standard temperature range and requires minimal external components. Its analog interface simplifies connection to the analog input pins of most development boards and industrial PLC analog input modules, enabling precise proximity and object presence detection in automated systems.
Additional Information
| Weight | 0.01 kg |
|---|---|
| Dimensions | 10 × 8 × 3 cm |













