QTR-MD-01A Reflectance Sensor

€1.54 *

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Manufacturer: Pololu
Order number: EXP-R25-1223
Manufacturer part number: 4241
Availability: 5
country of origin: US
HS code: 85439000
Weight (kg): 0.004

This IR LED/phototransistor pair is great for precisely identifying changes in reflectance (like... more

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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.

Specifications:

Dimensions: 7.5 × 20.0 × 2.5 mm
Operating voltage: 2.9 V to 5.5 V
Sensor type: QTR
Sensor count: 1
Full-brightness LED current: 30 mA (independent of supply voltage)
Max board current: 32 mA
Output format: analog voltage (0 V to VCC)
Optimal sensing distance: 5 mm
Maximum recommended sensing distance: 30 mm
Weight: 0.35 g