5 Pack TCRT5000 Infrared Reflective Sensor Module For Arduino With IR Photoelectric Switch Barrier And Obstacle Avoidance Adjustable Sensitivity Plug And Play 3.3V To 5V 1mm To 8mm Detection Range

5-Pack Infrared Reflective Sensor Module for Arduino
✔️ 3.3V-5V drive, 1mm-8mm detect range, adjustable sensitivity

These compact boards pack a TCRT5000 infrared reflectance sensor with an LM393 comparator and an adjustable potentiometer, ideal for Arduino projects. Use them for obstacle detection, line tracking (black/white), and small automation tasks in robotics and hobbyist setups.

✅ Board size: 32 x 14 mm (12.6 x 5.5 in)
✅ Detection range: 1-8 mm (with 2.5 mm focal length)
✅ Operating voltage: 3.3V-5V; outputs DO and AO
✅ Adjustable sensitivity via multi-turn potentiometer
✅ Pack includes 5 sensor modules
✅ LM393 comparator provides clean output and >15 mA drive

💡 What is an infrared reflective sensor module used for in Arduino obstacle detection and line tracking?

It's handy for projects needing proximity sensing and edge detection. - Proximity sensing for obstacle avoidance in mobile robots - Line tracking with surface contrast between black and white - Works with 3.3V-5V microcontrollers using LM393 outputs✝️