Pololu QTR-HD-05A Reflectance Sensor Array: 5-Channel, 4mm Pitch, Analog Output

Artikelnummer: PO4205

EAN: 4060137052231

HAN: 4205

Herkunftsland: US

UPC: 802236928

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.

Kategorie: Reflektionssensor


4,26 €

inkl. 19% USt.,

1 Pack auf Lager

Lieferfrist: ca. 1 - 3 Tage

Pack


Beschreibung

Übersicht

These reflectance sensors feature a linear array of infrared emitter/phototransistor pair modules in a high-density (4 mm pitch) or medium-density (8 mm pitch) arrangement, which makes them well suited for applications that require detection of changes in reflectivity. This change in reflectivity can be due to a color change at a fixed distance, such as when sensing a black line on a white background, as well as due to a change in the distance to or presence of an object in front of the sensor. A variety of sensor counts and densities is available so you can pick the ideal arrangement for your application. Since the outputs are all independent, you can connect just some of the channels to attain an irregular or non-standard sensor spacing.

Unlike our original QTR sensor modules, these units have integrated LED drivers that provide brightness control independent of the supply voltage, which can be anywhere from 2.9 V to 5.5 V, while enabling optional dimming to any of 32 possible brightness settings. For high-density (HD) modules with five or more sensors, there are separate controls for the odd-numbered and even-numbered LEDs, which gives you extra options for detecting light reflected at various angles. See the ?Emitter control? section below for more information on using this feature.

Eigenschaften

  • Dimensions: 21.0 × 20.0 × 2.5 mm
  • Operating voltage: 2.9 V to 5.5 V
  • Sensor type: QTR
  • Sensor count: 5
  • Sensor pitch: 4 mm
  • Full-brightness LED current: 30 mA
  • Max board current: 93 mA
  • Output format: analog voltages (0 V to VCC)
  • Optimal sensing distance: 5 mm
  • Maximum recommended sensing distance: 40 mm
  • Weight: 1.2 g

Dimensions

Size: 21.0 × 20.0 × 2.5 mm
Weight: 1.2 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: 93 mA2
Sensor type: QTR
Sensor pitch: 4.0 mm
Sensor count: 5
Output type: A (analog voltages)

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.

Schauen Sie sich bitte den Reiter 'Dokumente' für weitere Informationen an.

Lieferumfang

1x Pololu QTR-HD-05A Reflectance Sensor Array: 5-Channel, 4mm Pitch, Analog Output

Dokumente

Datasheet

Schematic

Dimension

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