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  • 22
    03
    2021
    Design Requirements of Pyroelectric Infrared Sensor Circuit
    1. The wire of the DC power supply should be as thick as possible, generally, the wire thickness is more than 20mil.2. The filter capacitor should be as close as possible to the VDD pin of the chip.3....
  • 15
    03
    2021
    Fresnel Lens are Closely Related to Our Lives
    The main application areas of Fresnel lens at the present stage include projection and solar photovoltaic fields. Because the edge of the light emitted by the Fresnel lens is softer, it is often used ...
  • 08
    03
    2021
    Anti-Interference Measures of Analog Sensor
    The application of analog sensors is very wide, which can be seen in industry, agriculture, national defense construction, or in the fields of daily life, education, scientific research, etc. However,...
  • 01
    03
    2021
    How do Infrared Thermopile Sensor Avoid Heat Shock
    Infrared thermopile sensors cannot work normally under a rapidly changing ambient temperature (if you suddenly approach a high-temperature heat source (fire) from a low-temperature heat source (ice), ...
  • 22
    02
    2021
    The Future of Pyroelectric Infrared Sensors
    Pyroelectric infrared sensor technology is one of the fastest-growing technologies in recent years. Infrared sensors have been widely used in many fields such as aerospace, astronomy, meteorology, ind...
  • 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...
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