Arduino IoT MKR1000 WIFI Bundle

Grove - Infrared Reflective Sensor v1.2

Seeed Studio | A-000000-02942
The Grove infrared sensor consists of an IR emitting LED and a phototransistor with high sensitivity. This Grove module is ideal for creating a small mobile line tracking robot (light or dark lines).
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A Grove infrared sensor to detect colour and contrast

The Grove infrared sensor consists of an infrared light emitting diode and a high-sensitivity phototransistor. When the light emitted by the LED encounters an obstacle at a distance measured by the potentiometer, it is reflected back to the phototransistor. Light-coloured objects will generate more current in the phototransistor than an object with dark-coloured surfaces. This IR sensor is a widely used in applications where colour or distance contrast is sharp. The sensor/target distance is calculated based on the time of flight.

Create a line-following robot with the Grove colour sensor

Easy to connect to a Base Shield or a Mega Shield and Arduino compatible, this Grove module is the ideal base for creating a small, line-following mobile robot (for light or dark lines). It can also be used to detect rotary speed. Don’t forget that the sharper the light and/or contrast is, the more effective the sensor will be.

Technical specifications of the Grove IR module

  • Operating voltage: 3.3–5 V
  • Supply current: 14,69 to 15,35 mA
  • Effective range: 4 to 15 mm
  • Minimum detectable width for monochrome lines: 10 mm
  • Threshold adjustable via potentiometer
  • Response time: 10 μs
  • Max. sensitivity wavelength (phototransistor): 800 nm
  • Light emission max. wavelength (infrared LED): 940 nm
  • Weight: 4 g

Resources for the 101020174 module

You’ll find all the essential information you need for your Grove 101020174 module right here. Help yourself!

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