Reflective IR Sensor with 470 and 10K Resistors

Adafruit IndustriesSKU: RB-Ada-203
Manufacturer #: 2349

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Sale price €2,27

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Only 2 units left

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Description

  • Reflective IR sensor
  • Comes with a 470 ohm resistor
  • Breadboard friendly sensor and easy to solder 
  • Best working range: 2mm to 10mm

The Reflective IR Sensor with 470 and 10K Resistors is a simple plastic casing with two elements - an IR LED and an IR phototransistor. You can control the IR LED and turn it on to bounce IR off objects to determine their reflectivity. White & light colored stuff will bounce the light, so you can detect it. Black & dark colored stuff will absorb the IR light so that it isn't detected. Likewise, if something isn't in the way of the sensor, it won't trigger either. Comes with a 470 ohm resistor and a 10K resistor which you can use as a pull-up resistor for the phototransistor. The sensor is breadboard friendly and easy to solder to. This works best when detecting a light-colored object approximately 5mm away - 2mm to 10mm worked fairly well but your results may vary with the LED brightness, object shininess, etc.

Reflective IR Sensor with 470 and 10K Resistors- Click to Enlarge

  • Size: 15mm x 18mm x 5mm / (0.6" x 0.7" x 0.2")
  • Weight: 1g

Customer Reviews

Based on 2 reviews
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a
alan
courte portée

J'ai reçu cela en peu de temps. C'était bien que le vendeur fournisse les résistances pour la configuration de référence. J'aurais dû faire plus attention. La portée de 2 à 10 mm était trop courte pour mon application de détection d'obstacles. D'autant que mon robot couvrirait cette distance en très peu de temps. Donner peu de temps pour agir sur la détection d'obstacles.

a
alan
short range

I received this in quick time. It was good that the vendor supplied the resistors for the reference config. I should have paid more attention. 2 - 10mm range was too short for my obstacle detection application. Particularly as my bot would cover that distance in a very short time. Giving little time to take action on obstacle detection.

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