QTR-1A Abstandssensor (2-Pack)

4,76 EUR

incl. 19 % USt zzgl. Versandkosten

Gewicht: 0.0200 kg

Hersteller: Pololu

Lagerbestand: 8

Lagernd, versandfertig in 24 Stunden.

Lagernd, versandfertig in 24 Stunden.

Art.Nr.: 2458
     

Produktbeschreibung

Infrarot Abstandssensor, dieser Sensor besteht aus einer IR Diode und einem IR Phototransistor.
Das Ausgangssignal liegt in analoger Form vor, weitere technischen Daten und ein Beispiel zur Ansterung gibt es in der englischen Beschreibung:

The Pololu QTR-1A reflectance sensor carries a single infrared LED and phototransistor pair. The phototransistor is connected to a pull-up resistor to form a voltage divider that produces an analog voltage output between 0 V and VIN (which is typically 5 V) as a function of the reflected IR. Lower output voltage is an indication of greater reflection.

The LED current-limiting resistor is set to deliver approximately 20-25 mA to the LED when VIN is 5 V. The current requirement can be met by some microcontroller I/O lines, allowing the sensor to be powered up and down through an I/O line to conserve power.

Because of its small size, multiple units can easily be arranged to fit various applications such as line sensing and proximity/edge detection.

Specifications

  • Dimensions: 0.3" x 0.5" x 0.1" (without header pins installed)
  • Operating voltage: 5.0 V
  • Supply current: 25 mA
  • Output format: analog voltage
  • Output voltage range: 0  to supplied voltage
  • Optimal sensing distance: 0.125" (3 mm)
  • Maximum recommended sensing distance: 0.25" (6 mm)
  • Weight without header pins: 0.008 oz (0.23 g)


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