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: 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... More Details...
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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. More Details...
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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. More Details...
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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. More Details...
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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. More Details...
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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. More Details...
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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. More Details...
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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. More Details...
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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... More Details...
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Code: SKU-002442
This sensor module has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, making it a great detector for a line-following robot. Pairs of LEDs are arranged in series to halve current consumption, and a MOSFET allows the LEDs to be turned off for additional sensing or power-savings options. More Details...
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