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Fiber measurement with OTDR can be divided into three steps: parameter setting, data acquisition and curve analysis. Manually setting measurement parameters includes:
(1) Wavelength selection (...[Details]
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The concept of high-definition digital video surveillance has been recognized by more and more users and manufacturers. The ultra-high image quality and ultra-wide scenes brought by high definition...[Details]
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In recent years, with the continuous development of LED lamp packaging technology and heat dissipation technology, the stability of LED lamps has reached a relatively good level. The main causes of l...[Details]
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1 System Hardware Structure
The system consists of four modules: single-chip microcomputer, digital control potentiometer, LCD module and multi-output voltage-controlled oscillator. The controller ...[Details]
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Some time ago, I simulated SPI on 51 to read SD card, and the effect was pretty good. Recently, I ported it to STM32, but there is still a difference between using hardware SPI and software SPI. co...[Details]
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The Oscilloscope of the Future - More Than Just an Oscilloscope Test engineering teams have a very challenging task to accomplish. Engineers are constantly under pressure on test time and test schedu...[Details]
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If you don’t think about the future, you will worry about the present. China is obviously more far-sighted in the lithium battery industry, so much so that in the current era of new energy vehicles, ...[Details]
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At present, battery safety testing technology is facing such a dilemma: the capacity discharge test is detrimental to the battery, time-consuming and labor-intensive, and contains disturbing operati...[Details]
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In today’s world of embedded computing, power efficiency is arguably one of the most important specifications for a microcontroller unit (MCU). This demand has led many companies to continually pus...[Details]
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Infineon launches new IoT sensor platform, XENSIV™ connected sensor suite The IoT ecosystem and connected devices have unlocked new service products and peripheral services . However, before depl...[Details]
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Computer-generated holographic 3D display technology based on spatial light modulators currently often uses transmissive LCD and reflective LCoS as spatial light modulators to change the spatial phase...[Details]
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Recently, Tailan New Energy has made significant progress in the research and development of "automotive-grade all-solid-state lithium batteries". After continuous technical iteration and dedicated...[Details]
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Amazon held its annual Alexa Voice Conference in Seattle, releasing a number of new Echo speakers, wireless smart headphones, smart ovens, smart doorbells, wireless routers, smart security monitoring...[Details]
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This article uses a buck non-isolated switching power supply circuit to explain voltage ripple and inductor current measurement. Voltage ripple measurement: As shown in the figure above, the 1.2V o...[Details]
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The characteristics of the production of the chlor-alkali industry are harsh environment, strong corrosiveness, flammability and explosion. There are many types of fluid media in production. The main ...[Details]