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QTR-HD-13A Reflectance Sensor Array: 13-Channel, 4mm Pitch, Analog Output

Pololu item #: 4213 10 in stock
Brand: Pololu
Status: Active and Preferred 
RoHS 3 compliant
 Free add-on shipping in USA 
This item could qualify for free shipping Free shipping in USA over $40 

Price break Unit price (US$)
1 9.68
5 8.91
25 8.19
100 7.54


backorders allowed

pitch × sensors size
(mm)
output max current optimal
range
LED board
4 mm × 13 53.0 × 20.0 analog 30 mA 220 mA 5 mm

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 and separate controls for the odd and even emitters. 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 40 mm. This version features the traditional-style QTR sensors without lenses.

Alternatives available with variations in these parameter(s): sensor type sensor count sensor pitch output type Select variant…

 Description Specs (15) Pictures (7) Resources (6) FAQs (0) On the blog (1) 

QTR-HD-13A Reflectance Sensor Array.

QTR-HD-13A Reflectance Sensor Array, front and back views.

QTR-HD-13A Reflectance Sensor Array dimensions.

Pinout diagram of a QTR-HD-xA Reflectance Sensor Array.

Demo of IR LED dimming and independent even/odd control on the QTR-HD-07x (as seen through an old digital camera that can see IR).

Schematic diagrams of individual QTR sensor channels for A version (left) and RC version (right). This applies only to the newer QTRs with dimmable emitters.

The QTR Reflectance Sensor Arrays are available in many different sizes.


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