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  • 15
    02
    2021
    Knowledge about the Pyroelectric Infrared Sensor
    What is the pyroelectric infrared sensor?The pyroelectric infrared sensor detects infrared rays emitted by people or certain animals and converts them into electrical signal output. It is a new type o...
  • 08
    02
    2021
    Teach You How to Choose the Right Pyroelectric Infrared Sensor
    Pyroelectric sensors can be used for passive infrared detection-that is, in common burglar alarms. This is the application of infrared pyroelectric sensors in the security field.How to choose a high-p...
  • 01
    02
    2021
    Application Status and Prospects of Infrared PIR Sensor in the Field of Internet of Things
    1. Even if there is no epidemic, infrared thermometers will have stable rigid demand in the future.2. After the epidemic, there will be a big outbreak in the sensor Internet of things industry.The con...
  • 25
    01
    2021
    Solution of PIR Alarm System
    The PIR alarm system is used to prevent problems before they occur. It is used to achieve a more thorough all-round management of the periphery and important jurisdictions in the building. The PIR ala...
  • 18
    01
    2021
    Principle of Fresnel Lens
    The Fresnel Lens was invented by the French physicist Augustin Fresnel. He originally used this Lens design in 1822 to build a glass Fresnel Lens system-a lighthouse Lens. Fresnel Lens is an optical e...
  • 11
    01
    2021
    The Role of Fresnel Lens
    The function of the Fresnel Lens is: 1. It can filter interference light. 2. The infrared signal can be amplified.When we do not use the Fresnel Lens, the detection radius of the pyroelectric infrared...
  • 04
    01
    2021
    Design of Passive Motion Sensor
    Any object higher than the absolute temperature will produce electromagnetic radiation-infrared. However, the wavelength and energy of the infrared radiated by objects of different temperatures are di...
  • 22
    12
    2020
    Infrared Sensors have Been Widely Used in Various Industries
    Since infrared sensors with high sensitivity have realized non-contact temperature measurement, long-distance high temperature measurement and other functions, they have been widely used in various in...
  • 15
    12
    2020
    The Future Development Trend of Infrared Sensors
    With the development of modern science and technology, the development of infrared sensors will be broader. In the future development, the performance and sensitivity of infrared sensor will be greatl...
  • 08
    12
    2020
    How to Realize the Circuit Control of Optical Switch with Photosensitive Resistance?
    Photoresistor sensors are particularly sensitive to light, the stronger the light, the smaller the resistance value; the darker the light, the greater the resistance value. So this feature can be used...
  • 01
    12
    2020
    Main Parameters of Photoresistor Sensors
    Photoresistor sensors are special resistors made of semiconductor materials such as cadmium sulfide or cadmium selenide. Its main parameters are as follows:(1) Photocurrent and Bright ResistanceUnder ...
  • 25
    11
    2020
    PIR Motion Sensor with Fresnel Lens
    PIR (Passive Infrared Sensor) motion sensor is an electronic sensor used to detect objects emitting infrared radiation within its field of view. It is commonly used in PIR-based motion detectors.Any o...
  • 18
    11
    2020
    What is the Difference between Photosensitive Resistance and Photosensitive Diode?
    Photosensitive resistance are special resistors made of semiconductor materials such as cadmium sulfide or cadmium selenide, which are very sensitive to light. When there is no light, they are in a hi...
  • 11
    11
    2020
    Development Prospect of Photosensitive Resistance
    Photosensitive resistance is also known as light pipe, and the characteristic of photosensitive resistance is that under the irradiation of specific light, its resistance value decreases rapidly and c...
  • 04
    11
    2020
    Why Infrared Sensors are in Short Supply So Far?
    In 2020, the new crown pneumonia epidemic has caused products such as forehead thermometers and sensors that are usually unpopular or even unknown to appear. From crazy reselling to now gradually cool...
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