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Dust Tester Dust testers are mainly used for rapid determination of the concentration of inhalable particulate matter (PM10) in public places, detection of dust concentration in labor hygiene at ...[Details]
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In order to power the chip of the driving circuit, a reliable power supply circuit is essential. The working voltage of the driving circuit is DC, and the voltage is 7.2V and 5V. The power supply o...[Details]
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Magnetic attraction measurement principle:
The force of attraction between the permanent magnet (probe) and the magnetic steel is proportional to the distance between them, which is the thickness o...[Details]
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There are 11 timers in STM32, including 2 advanced control timers, 4 ordinary timers and 2 basic timers, as well as 2 watchdog timers and 1 system tick timer. The system tick timer is SysTick describ...[Details]
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Differential pair tube detection method
The differential pair is a semiconductor device that packages two transistors with the same performance into one. It can form a dif...[Details]
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Recently, a whistleblower revealed a new Xiaomi 10 model that has never been heard of - Xiaomi 10 Lite Zoom. It is reported that the model of Xiaomi 10 Lite Zoom is M2002J9E, codenamed "Vang...[Details]
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In some specific occasions, such as in environmental test rooms, the ambient noise may reach 80 decibels to 90 decibels, and engineers should not work in such an environment for a long time; or when ...[Details]
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Nowadays, the Qualcomm 8155 chip is definitely a popular product in the automotive industry. In fact, the Qualcomm 8155 chip has received a lot of attention since its release in 2019. Before that, ...[Details]
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IT Home reported on June 23 that the Qichacha App showed that on June 22, Huawei Technologies Co., Ltd. disclosed the patent for "Malware Detection Device and Method", with the publication num...[Details]
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At the end of March, the news that Royole Technology, the former pioneer of foldable screen mobile phones, had not been able to pay wages for 6 months attracted attention on the Internet. Tod...[Details]
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environment: Host: WIN8 Development environment: MDK5.13 MCU:STM32F407IGH source code: drv_power.h /********************************************************************* * Power module driver...[Details]
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Apple's CPU R&D progress has always been ahead of the entire mobile phone industry, especially in the adoption of advanced processes. In addition to this year's A14 processor using the 5nm process, a...[Details]
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As modern cars become more versatile, new challenges arise. Although functional safety is not a new topic in the automotive industry, it has received increasing attention over time. As a design pr...[Details]
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While the model of this smartphone has not been finalized, it seems that the most likely candidate for the launch is the Google Pixel 4, which is said to be an entry-level smartphone. In terms...[Details]
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On October 14, Yancheng City held the seventh press conference of the series of themed press conferences of "Carbon Road Pioneer" to further deepen reform and bravely develop new quality productivity....[Details]