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Grove - Infrared Reflective Sensor

Product Code: 101020029
Excl. VAT: £4.76 Incl. VAT: £5.71
You will earn 4 Robo Points for buying this product

 Grove - Infrared Reflective Sensor utilizes a RPR220 reflective photosensor module to detect color and distance.

The reflectivity of infrared light varies with the color and distance of the reflecting surface. According to this principle, Grove - Infrared Reflective Sensor utilizes a RPR220 reflective photosensor module to detect color and distance.

When a light-colored object approaches,the signal intensity received by infrared reflective sensor increases and the indicator LED on board turns red. When a dark-colored 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 color or distance contrast is sharp.


  • Operating voltage: 4.5 V - 5.5 V
  • Current: 14.69 - 15.35 mA
  • 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
  • RPR220-Reflective photosensor: High resolution Infrared Reflective sensor.
  • LMV358: Rail-to-Rail Operational Amplifier.
  • Indicator LED: The LED will turn on when the received infrared light intensity exceeds a preset level.
  • Sensitivity adjusting potentiometer : adjust the light threshold of the sensor.

Please visit the wiki page for more info about this product.

Product Attachments

View FileGetting Started with Grove    Size: (1.57 MB)
View FileIntroduction to Grove    Size: (4.78 MB)

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Whenever possible, items which are in stock are dispatched the same day, or the next working day.

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