IR Infrared Sensor Module Overview
Learn about the IR Infrared Sensor Module, its working principle, pinout, applications, and more.
Introduction to IR Infrared Sensor
The **IR Infrared Sensor Module** is a popular electronic component used for proximity sensing, object detection, and obstacle avoidance in various electronic projects, such as robots. It uses infrared (IR) light to detect objects or measure distance by emitting an infrared beam and sensing the reflected light. It is commonly used in robots, automation systems, and motion detection applications.
Pinout of IR Infrared Sensor Module
Below is the pinout of the IR Infrared Sensor Module:
| Pin | Description |
|---|---|
| VCC | Connect to the positive power supply (typically 5V). |
| GND | Connect to the ground of the power supply. |
| OUT | This is the output pin that provides a digital signal (HIGH/LOW) based on the presence of an object. |
Pinout Diagram
Working Principle of IR Infrared Sensor
The IR Infrared Sensor works based on the reflection of infrared light. It consists of an infrared LED (emitter) and a photodiode (detector). The LED emits infrared light, which is reflected off objects in its path. The photodiode detects this reflected light, and if the intensity of the reflected light crosses a threshold, the sensor outputs a signal. In the case of proximity sensing, if an object is detected within a certain range, the output pin goes HIGH, indicating the presence of an object. If no object is detected, the output pin remains LOW.
Applications of IR Infrared Sensor
- Obstacle avoidance in robotic systems.
- Proximity sensing for automatic doors.
- Object detection and counting systems.
- Motion detection for security systems.
- Line-following robots using IR sensors for navigation.
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