IR Infrared Obstacle Avoidance Proximity Sensor Module
Active infrared obstacle detection sensor with LM393 comparator, adjustable potentiometer sensitivity (2cm–30cm), and 3.3V–5V logic for robotics and line tracking.
### IR Infrared Obstacle Avoidance Proximity Sensor Module
This active **IR Infrared Obstacle Avoidance Sensor** uses an infrared emitter and photodiode receiver pair with an on-board LM393 voltage comparator to detect obstacles in front of mobile robots. The detection range can be dialed in from 2cm up to 30cm via the precision multi-turn trimmer potentiometer.
#### ⚡ Technical Specifications:
- **Operating Voltage**: 3.3V to 5.0V DC (Directly compatible with 3.3V ESP32 & 5V Arduino)
- **Detection Distance**: 2 cm to 30 cm (Adjustable via potentiometer)
- **Detection Angle**: 35° cone
- **Comparator IC**: LM393 High-Speed Voltage Comparator
- **Output Type**: Digital switching output (0 / 1 TTL logic)
- **Status Indicators**: Power LED (Red) + Obstacle Detection Indicator LED (Green)
- **Dimensions**: 32mm x 14mm with M3 mounting hole
#### 🛠️ Applications:
- Line Follower Robots & White/Black Surface Trackers
- Obstacle Avoidance Autonomous Vehicles
- Touchless Sanitary Dispensers & Proximity Switches
- Conveyor Belt Object Counting Sensors
What's Included in the Package:
- 1x IR Infrared Obstacle Avoidance Sensor Module with LM393
Quick Build & Interfacing Guide:
Unbox and verify all pre-tested sensors, microcontrollers, and wiring components included in your package.
Secure mechanical brackets, servos, and modules to the main frame using the provided mounting hardware.
Interface VCC, GND, and GPIO signal lines according to the verified schematic diagram provided with the kit.
Upload the tested source code via Arduino IDE, Python, or ESP-IDF and verify live sensor readings and actuation.
Key Features
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