Infrared

Infrared (IR) Distance and Movement Sensors

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.

 

Dagu Infrared Compound Eye

Code: SEN-10034

Designed to fit LMR's universal sensor bracket, this sensor works by shinning IR light onto an object and then tracking the reflected IR. This sensor does not work in bright daylight as sunlight has a lot of IR and blinds the sensor.The IR LEDs can be controlled by a digital output so that ambian...

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Devantech TPA64 64 Pixel Thermal Imaging Sensor

Code: SEN-010089

The Devantech TPA64 thermal imaging sensor measures temperatures from 0°c to +80°c using an 8 x 8 (64 Pixel) array providing an economical, low power and low computation way to detect objects that have different temperatures to their surroundings - like people.

$ 93.95

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Devantech USB-TPA64 64 Pixel Thermal Imaging Sensor

Code: SEN-010090

The Devantech USB-TPA64 thermal imaging sensor measures temperatures from 0°c to +80°c using an 8 x 8 (64 Pixel) array providing an economical, low power and low computation way to detect objects that have different temperatures to their surroundings - like people. Connect using a USB interface.

$ 100.95

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Infrared Object Detector with 3-80cm digital output

Code: SEN-10051

Infrared object detector with digital output and 3-80cm range. This simple sensor has a normally open output and detects an object within 80cm range. It can be used as a simple proximity sensor in many applications.

$ 13.95

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IR Infrared Receiver Diode - TSOP38238

Code: MCU-60213

TSOP38238 Infrared IR Receiver diode from Vishay Semiconductor interprets infrared signals for microcontroller based projects. It has noise suppression to compensate for fluorescent lights and other interference. It's a mini remote control receiver in a tiny package. Works with Sony, NEC and more.

$ 2.85

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Photo Interrupter - GP1A57HRJ00F

Code: SKU-000376

This photo interrupter sensor is triggered when something breaks the beam of infrared light between the two uprights. The sensor has a infrared emitter in one upright and a detector in the other. See the related products below for a matching breakout board.

$ 7.95

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PICAXE Infrared LED 5mm (PICAXE LED021)

Code: MCU-60140

Infrared LED 5mm. For use with PICAXE circuits to produce infra-red signals like a TV style remote control. Compatible with the LED020 sensor.

$ 0.50

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PIR Passive Infrared Motion Sensor 5-12 Volt

Code: SEN-10082

This Passive Infrared PIR Motion sensor monitors changes in ambient infrared light to detect motion. Ideal as an alarm sensor to monitor rooms where the sensor will detect movement of people into the room.

$ 18.95

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Pololu QTR-1RC Reflector Sensor with Digital Output (2-Pack)

Code: SEN-10065

The QTR-1RC reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x 0.3" module that can be mounted almost anywhere and is great for edge detection and line following applications. The output is designed to be measured by a digital I/O line. ** So...

$ 7.95

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Sharp Analog Distance Sensor 2-15cm GP2Y0A51SK0F

Code: SEN-10074

The GP2Y0A51SK0F is the shortest-range Sharp analogue distance sensor Polou carry, featuring a detection range of 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.

$ 20.95

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