The infrared sensor shines a beam of IR light from an LED, and measures the intensity of light that is bounced pack using a phototransistor. (bilr.blog)

You can get different sizes and general information at Sparkfun. You will also need the sensor jumper wire.

If you are not quite sure what model to choose, take a look at this page for more info about each model range of distance.

HOW TO CONNECT IT

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