QTR-MD-01A Reflectance Sensor: 1-Channel, 7.5mm Wide, Analog Output

Pololu item #: 4241
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant

Price break Unit price (US$)
1 2.15
5 1.98
25 1.82


backorders allowed

sensors size
(mm)
output max current optimal
range
LED board
1 7.5 × 20.0 analog 30 mA 32 mA 5 mm

This IR LED/phototransistor pair 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 a traditional-style QTR sensor without lenses.

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

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