GP2Y0A41SK0F Infrared Distance Sensor Module (4-30cm Range) with 20cm Cable

Description

The GP2Y0A41SK0F Infrared Distance Sensor Module is a compact, analog-output proximity sensor from Sharp, designed for short-range distance measurement and obstacle detection. It combines an infrared emitting LED, a position-sensitive detector (PSD), and a signal processing circuit into a single integrated unit, using optical triangulation to determine the distance to a reflective object. The sensor outputs an analog voltage that varies inversely with distance: higher voltage for closer objects, lower voltage for farther objects. This single analog output connects directly to any microcontroller with an ADC, such as Arduino, ESP32, or Raspberry Pi (with external ADC), making it straightforward to integrate into robotics, automation, and interactive projects.

The module includes a pre-attached 20cm cable for convenient connection, eliminating the need for soldering or specialized connectors. The GP2Y0A41SK0F is the direct replacement for the older GP2D120XJ00F, offering a significantly higher update rate and lower average current consumption while maintaining identical physical dimensions and a 4–30cm operating range . Its short range provides higher resolution for detecting nearby objects, making it particularly well-suited for close-proximity obstacle avoidance, presence detection, and positioning tasks. The sensor is RoHS-compliant and widely used in educational, hobbyist, and light commercial applications.

Features

• Direct Replacement for GP2D120XJ00F: Identical dimensions and 4–30cm range, with much higher update rate and lower average current draw .

• Triangulation Measurement Method: Resistant to variations in object reflectivity and environmental temperature compared to simpler IR sensors .

• Short Measuring Cycle: Update period of 16.5ms ± 4ms enables rapid, responsive distance readings .

• Analog Voltage Output: Single output connects directly to any ADC for distance measurement or comparator-based threshold detection .

• Higher Resolution at Close Range: The shorter 4–30cm range provides better precision for nearby objects than longer-range alternatives .

• Low Average Current Consumption: 12mA typical average draw, though current is drawn in short bursts requiring power supply stabilization .

• 20cm Cable Included: Pre-attached cable simplifies connection to breadboards and microcontroller headers.

• RoHS-Compliant Construction: Lead-free design suitable for commercial and educational deployments .

Technical Specifications