20 Pack TCRT5000 IR Reflective Sensor Modules For Obstacle Avoidance And Line Tracking In Arduino Projects Robotics And Smart Car Builds With 3.3V To 5V Operation And Super Easy Plug And Play Setup

20-Pack TCRT5000 IR Reflective Sensor Modules for Robotics
✔️ 3.3V-5V operation, LM393 output, 1-25 mm range, TTL-ready

These 20-pack infrared reflective sensor modules are designed for obstacle avoidance and line tracking in robotics projects. They work with 3.3V-5V microcontrollers like Arduino and Raspberry Pi, delivering reliable digital signals via TTL-compatible output.

✅ Proximity detection via 940nm IR emitter/receiver pair
✅ Adjustable 1-25 mm detection range for accurate sensing
✅ 3.3V-5V wide voltage operation, compatible with Arduino/RPi
✅ LM393 voltage comparator provides stable, noise-immune output
✅ TTL-compatible digital output for easy GPIO/embedded control
✅ Pack of 20 modules for bulk projects

💡 What is a handy way to use infrared reflective sensor modules for line tracking in hobby robotics?

These compact sensors are handy for quick, reliable surface sensing on small robots.

- Integrate with 3.3V-5V MCUs via TTL output for straightforward digital sensing
- Use for line tracking on dark and light surfaces with adjustable 1-25 mm range
- Rely on LM393 comparator to keep readings stable in bright or noisy environments
- Calibrate threshold to match surface reflectivity and robot speed