Infrared sensors are commonly used to measure distance and proximity of objects. As there is no contact and no visible light these sensors are an unobtrusive way to detect obstacles.
Range finding sensors use a beam of infrared light to determine the distance from the sensor to the object. Ideally suited to indoor use these sensors often include compensation for infrared interference from other sources like the sun and indoor lights although direct sun outdoors can be a challenge.
Proximity infrared sensors also emit a beam of infrared light but use the level of reflected light to determine if an object is within a range or not. They indicate yes or no, rather than how far.
Other infrared sensors can detect infrared light as a measure of temperature, PIR sensors include extra logic to detect motion and infrared signal receivers know what your television remote is up to.
Code: SKU-005331
pitch × sensors size (mm) output max current optimal range LED board 8 mm × 7 53.0 × 20.0 analogue 3.5 mA 17 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). More Details...
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Code: SKU-005327
pitch × sensors size (mm) output max current optimal range LED board 8 mm × 7 53.0 × 20.0 RC (digital) 3.5 mA 17 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). More Details...
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Code: SKU-004842
pitch × sensors size (mm) output max current optimal range LED board 8 mm × 8 61.0 × 20.0 analogue 3.5 mA 17 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). More Details...
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Code: SKU-004839
pitch × sensors size (mm) output max current optimal range LED board 8 mm × 8 61.0 × 20.0 RC (digital) 3.5 mA 17 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). More Details...
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Code: SKU-005332
pitch × sensors size (mm) output max current optimal range LED board 8 mm × 13 101.0 × 16.5 analogue 3.5 mA 31 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). More Details...
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Code: SKU-005328
pitch × sensors size (mm) output max current optimal range LED board 8 mm × 13 101.0 × 16.5 RC (digital) 3.5 mA 31 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). More Details...
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Code: SKU-005315
pitch × sensors size (mm) output max current optimal range LED board 8 mm × 16 125.0 × 16.5 analogue 3.5 mA 34 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection). More Details...
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Code: SEN-10074
The GP2Y0A51SK0F is the shortest-range Sharp analogue distance sensor we carry, featuring a detection range of 0.8″ to 6″ (2 cm to 15 cm). The shorter range gives you higher resolution measurements, and the low minimum detection distance makes this sensor great for detecting very close objects. More Details...
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Code: SKU-002512
This small digital distance sensor detects objects between 2 cm and 10 cm (0.8″ and 4″) away. With its quick response time, small size, and low current draw, this sensor is a good choice for non-contact object detection. More Details...
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Code: SKU-005003
The MLX90640 SparkFun IR Array Breakout is equipped with a 110° FOV, 32x24 array of thermopile sensors creating a low resolution thermal imaging camera. More Details...
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