The reflectivity of infrared light varies with the colour and distance of the reflecting surface. According to this principle, Grove - Infrared Reflective Sensor utilizes a RPR220 reflective photosensor module to detect colour and distance. When a light-coloured object approaches, the signal intensity received by infrared reflective sensor increases and the indicator LED on board turns red. When a dark-coloured object approaches, the intensity decreases and the LED turns off. 

This sensor is a basic and widely used part in applications such as line-following cars, rotary speed detection, auto data logging on utility meters or other situations where colour or distance contrast is sharp.

Features

  • Operating voltage: 4.5 V - 5.5 V
  • Digital output, 0 or VCC
  • High resolution sensor; minimum detectable length: 1mm black line
  • Effective distance: 4-15mm
  • Indicator LED on board
  • Sensitivity adjustable via potentiometer
  • Small Grove 1x1 compatible interface

Infra-Red Reflective Sensor (Grove)

  • Brand: Seeedstudio
  • Product Code: SEEED-101020029
  • Reward Points: 4
  • Availability: 13
  • £5.94

  • Ex Tax: £4.95
  • Price in reward points: 100

  • 5 or more £5.64

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