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Infrared

Infrared

passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.

Operating principles

All objects with a temperature above absolute zero emit heat energy in the form of radiation. Usually this radiation is invisible to the human eye because it radiates at infrared wavelengths, but it can be detected by electronic devices designed for such a purpose.

The term passive in this instance refers to the fact that PIR devices do not generate or radiate any energy for detection purposes. They work entirely by detecting the energy given off by other objects.

Brand: Chinese Model: VS1838
Description The 1838B is miniaturized infrared receivers for remote control and other applications requiring improved ambient light rejection. The separate PIN diode and preamplifier IC are assembled on a single leadframe. The epoxy package contains a special IR filter. This module has excellent..
5.00EGP
Brand: Chinese Model: 3D-ENDSTOP-MOD
Description: With high quality 22AWG cable line, the copper wire inside is thick. The cable line is not easy to pull off, convenient to plug, easy for use. Opto optical endstop switch for CNC 3D Printer RepRap Makerbot Prusa Mendel RAMPS End-stop. The optical endstop is a reliable endstop / sw..
25.00EGP
Brand: Chinese Model: 3DU5C Phototransistor
Product Features Product Name : NPN Silicon Phototransistor;Model : 3DU5C Working Voltage(Max.) : 10V;Reverse Breakdown Voltage : 15V;Dark Current : 0.3uA Photocurrent : 0.5-1mA;Power Consumption : 30mW;Peak Wavelength : 880nM Body Size : 7 x 5mm/ 0.28" x 0.2&quo..
10.00EGP
Brand: Chinese Model: SEN-026
This IR compound eye mounted on a pan/tilt assembly can be used by a robot to track movement within 200mm. 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 sun..
250.00EGP
Brand: Chinese Model: MOD-022
Photoelectric Sensor Infrared Correlation Sensor Module for Arduino/Raspberry-Pi/Robotics Correlation Photoelectric Sensor Lot Infrared Correlation Count Sensor Module   Product Details: Count Sensor Module Condition: New PCB two round hole to the center distance is 1.5 cm, diameter of ..
50.00EGP
Brand: Chinese Model: Infrared remote M1
Description: Have you ever needed a cheap way to activate something from across the room? Infrared remotes are still the cheapest way to wirelessly control a device. We have designed the remote to be small, very simple, and low-cost. For the majority of the projects we build, It makes more sens..
20.00EGP
Brand: Chinese Model: SEN-A02
IR Infrared Object Sensor E18-D80NK 3-80cm   Electrical Characteristics Working voltage: 5VDC Infrared Object Sensor E18-D80NK 3-80cm Current consumption: The 100mA Measuring Range: 3-80CM Size: 17mm x 45mm Lead Length: 45cm Indicator Lights Red: power supply pos..
115.00EGP
Brand: Chinese Model: SEN-023
Description :  The sensor module light is adaptable to the environment, the working voltage of 3.3 V to 5 V. It has a pair of infrared transmitting and receiving tube, when detecting direction meet with obstacles (reflecting surface), reflected infrared receiving by the tube. After ..
40.00EGP
Brand: Chinese Model: SEN-027
Description: 1 sensor uses TCRT5000, high sensitivity 2 four-sensor, four sensor spacing between each other 1CM 3 Operating voltage: 5V 4 Output form: Digital output (white line: 0 Black: 1) 5 is provided with 10 fixing bolt holes for easy installation on your robot, intelligent car. 6 sm..
100.00EGP
Brand: Chinese Model: SEN-A02
Product Description You can find the TCRT5000 sensor head here, and see its working principle. This IR transmitter and receive integrated into one head TCRT5000, detecting not only if there is obstacle but also the distance as an analog output, and the power consumption is lower on this o..
175.00EGP
Brand: Chinese Model: SEN-A01
Product Description You can find the TCRT5000 sensor head here, and see its working principle. This IR transmitter and receive integrated into one head TCRT5000, detecting not only if there is obstacle but also the distance as an analog output, and the power consumption is lower on this o..
45.00EGP
Brand: Chinese Model: MOD-054
Description Melexis' MLX90614ESF-AAA is an infrared thermometer designed for non-contact temperature sensing. An internal 17-bit ADC and a powerful DSP contribute to the MLX90614's high accuracy and resolution. It has a huge number of applications including body temperature measurment and m..
210.00EGP
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