This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark readings, but high-reflectance objects are generally detectable out to around 30 mm. This version features the traditional-style QTR sensors without lenses.

Specifications:

Documents:

Package Includes:

1 x Pololu 4142/4143/4144/4145/4146/4147/4153/4156 QTR-MD Reflectance Sensor Array - 8mm pitch

Electrical Specifications
Minimum Operating Voltage	2.9V
Maximum Operating Voltage	5.5V
Maximum Operating Current	30mA
Physical Attributes
Weight	4148-3.1g, 4142-0.7g, 4143-1.1g, 4144-1.5g, 4145-1.9g, 4146-2.3g, 4147-2.7g, 4148-3.1g, 4153-6.2g, 4156-7.5g
Dimensions	4148-61.0 × 20.0 × 2.5 mm, 4142-13.0 × 20.0 × 2.5 mm, 4143-21.0 × 20.0 × 2.5 mm, 4144-29.0 × 20.0 × 2.5 mm, 4145-37.0 × 20.0 × 2.5 mm, 4146-45.0 × 20.0 × 2.5 mm, 4147-53.0 × 20.0 × 2.5 mm, 4153-101.0 × 16.5 × 2.5 mm, 4156-125.0 × 16.5 × 2.5 mm
Additional Information
Warranty

Pololu 4142/4143/4144/4145/4146/4147/4148/4153/4156 QTR-MD Reflectance Sensor Array - 8mm pitch

Brand:: Pololu
Product Code: :Pololu-QTR-MD-RC-8mm
Reward Points: :3
Availability: :In Stock

रo 287.38
रo 250.53
Price in reward points: 288
25 or more रo 241.05
100 or more रo 231.58
250 or more रo 227.38

Available Options

Channel

2) 2 Channel

3) 3 Channel (+रo 60.00)

4) 4 Channel (+रo 132.62)

5) 5 Channel (+रo 261.05)

6) 6 Channel (+रo 333.67)

7) 7 Channel (+रo 397.89)

8) 8 Channel (+रo 470.53)

13) 13 Channel (+रo 947.38)

15) 16 Channel (+रo 1,651.58)

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