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IR Obstacle Sensor
IR Obstacle Sensor
IR Obstacle Sensor
IR Obstacle Sensor
IR Obstacle Sensor
IR Obstacle Sensor
IR Obstacle Sensor
IR Obstacle Sensor
IR Obstacle Sensor
IR Obstacle Sensor

Technical Documents

Infrared Obstacle Sensor Appnotes IR Obstacle Detector Datasheet IR Sensor Module Guide Datasheet

Application Resources

IR Obstacle Avoidance Sensor Arduino Tutorial

EMS-00013-A

(Last updated) Jun 20, 2026

IR Obstacle Sensor

IR proximity detection module

Subcategory
EMS - Input: Sensors

Description

The Infrared Obstacle Avoidance Sensor Module is used to detect nearby objects using infrared light reflection. It provides a digital output when an obstacle is detected. It is commonly used in robotics, Arduino smart cars, and obstacle detection systems.

Manufacturer Details

Manufacturer Part Number
Generic OEM Manufacturer IR-Obstacle-LM393
Keyestudio KS-0005
HiLetgo HL-IR-Obstacle
Elegoo EL-IR-01
SunFounder SF-IR-OB01

Technical Specifications

Sensor Type Infrared Reflective Obstacle Sensor
Operating Voltage 3.6V - 5V DC
Output Type Digital (Active Low)
Main IC LM393 Comparator
Average Current Consumption 0.06 mA
Detection Angle 35°
Detection Distance 2 cm – 30 cm (adjustable)
Interface Pins VCC, GND, OUT
Indicator LED Yes (Obstacle Detection Indicator)
Sensitivity Adjustment Onboard Potentiometer
Dimensions (mm) 48 × 14 × 8
Weight (g) 5
Shipping Weight 0.01 kg
Shipping Dimensions (cm) 5 × 4 × 1

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