Pololu QTR-MD-07RC Reflectance Sensor Array: 7-Channel, 8mm Pitch, RC Output

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Delivery time: 6 - 8 Workdays (DE - int. shipments may differ)

SKU: PO4147
GTIN: 4060137108525
Category: Distance/ToF Sensor
Manufacturers: Pololu
MPN: 4147
Storage Tiers: Maintain

Description
Reviews

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 40 mm. This version features the traditional-style QTR sensors without lenses.

Specifications

Dimensions: 53.0 × 20.0 × 2.5 mm (see the dimension diagram (1MB pdf) for more details)
Operating voltage: 2.9 V to 5.5 V
Sensor type: QTR
Sensor count: 7
Sensor pitch: 8 mm
Full-brightness LED current: 30 mA (independent of supply voltage)
Max board current: 125 mA
Output format: digital I/O-compatible signals that can be read in parallel as timed high pulses
Optimal sensing distance: 5 mm
Maximum recommended sensing distance: 40 mm
Weight: 2.7 g

General specifications

Maximum range:40 mm
Optimal range:5 mm
Minimum operating voltage:2.9 V
Maximum operating voltage:5.5 V
LED current:30 mA¹
Peak wavelength:940 nm
Maximum current draw:125 mA²
Sensor type:QTR
Sensor pitch:8.0 mm
Sensor count:7
Output type:RC (measurable by digital I/O)

Identifying markings

PCB dev codes:irs33a³
Other PCB markings:0J11367³

Notes:

1.Can be dynamically reduced to any of 32 available dimming levels.
2.With all LEDs on at max brightness setting.
3.Note: this does not differentiate between the A and RC output types.

Shipping weight:	0,01 kg
Item weight:	0,01 kg
Dimensions ( Length × Width × Height ):	5,30 × 2,00 × 0,30 cm

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Pololu QTR-MD-07RC Reflectance Sensor Array: 7-Channel, 8mm Pitch, RC Output

Pololu QTR-MD-07RC Reflectance Sensor Array: 7-Channel, 8mm Pitch, RC Output

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