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Grove - Infrared Reflective Sensor v1.2

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101020174
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Grove - Infrared Reflective Sensor v1.2 can be used for the detection of proximity and color of objects. The reflective photosensor - RPR-220 used in this module consists of an infrared light emitting diode and a high –sensitivity phototransistor.

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PRODUCT DETAILS

Description

Grove - Infrared Reflective Sensor v1.2 can be used for the detection of proximity and color of objects. The reflective photosensor - RPR-220 used in this module consists of an infrared light emitting diode and a high –sensitivity phototransistor. Light-colored objects directly in front of the sensor will reflect more infrared light as well as generate more current in the phototransistor than an object with dark-colored surfaces, this can tell from a built-in indicator LED which will turn red with sufficient flow of current. Also, the intensity of the reflective light increases as the object getting closer. You can adjust the potential-meter on the back of the board if you want to detect a specific object (eg. Blackline) at a certain distance.

Application

This sensor is widely used in applications such as:

  • Line-following robots
  • Rotary speed detection
  • Auto-data logging on utility meters or other situations where color or distance contrast is sharp.

Feature

  • Panel-mounting Grove interface

  • Digital output: 0 or VCC

  • Built-in indicator LED

  • Threshold adjustable via potentiometer

  • Power supply: 3.5 – 5.5V DC

  • Reflective Photosensor: RPR-220

  • Effective working distance: 4-15mm

  • Minimum detectable width for monochrome lines: 10mm

  • Connector: 4 pin Buckled Grove interface

  • Dimension: 20mm*20mm

What is the difference between the IR distance sensor and the ultrasonic distance sensor? 

IR distance sensor

Ultrasonic Sensor

What it does Measure distance through reflected light waves

Measure distance through reflected sound waves

How it measures Triangulation: Angle of a reflected IR beam is measured Time taken between transmitting and receiving sound waves are recorded
Human Relationship Invisible to the naked eye Unhearable
Object Requirements Suitable to be used to measure complex objects Not suitable to measure objects with complex surfaces

What is Grove?

Grove makes it easier to connect, experiment, and simplify the prototyping process. No jumpers or soldering required. We have developed more than 300 Grove modules, covering a wide range of applications that can fulfill a variety of needs. Not only are these open hardware, but we also have open-source software. 

Also check our blog Types of Distance Sensor and how to select one? for more information about distance sensors. 


Technical details

Dimensions 89mm x140mm x10.5mm
Weight G.W 8g
Battery Exclude

Part List

Grove - Infrared Reflective Sensor 1
Grove Cable 1

ECCN/HTS

HSCODE 9031900090
USHSCODE 90230000
UPC 841454120032

LEARN AND DOCUMENTS

Documentations

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Wiki of Grove - Infrared Reflective Sensor

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