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...
Code: SKU-000027
Side-looking Infrared Emitters and IR Detectors. These simple devices operate at 940nm and work well for generic IR systems including remote control and touch-less object sensing. Using a simple ADC on any microcontroller will allow variable readings to be collected from the detector. More Details...
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...
Code: MCU-60220
This infrared sensor detects objects up to 3cm away. With an infrared LED and a phototransistor it detects objects or black-white changes for line following robots or edge detection. More Details...
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...
Code: SEN-10027
The Melexis MLX90614ESF-AAA is a high-accuracy, high-resolution, non-contact thermometer with a 90-degree field of view. It has a measurement resolution of 0.02°C and is factory calibrated for a wide -70 to 380°C object temperature range. The sensor uses an SMBus (I²C-compatible) digital interfac... More Details...
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...
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...
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...
Code: SKU-003795
This module features a fixed-gain, 38 kHz modulated IR sensor and a corresponding IR LED with oscillator circuit to make a tiny proximity sensor. This high-brightness version draws an average of 16 mA at 5 V and has a typical sensing range up to approximately 24 inches (60 cm) . More Details...
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