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On September 27, the Ministry of Industry and Information Technology released the list of national technology innovation demonstration enterprises in 2019. Among them, Internet technology companies B...[Details]
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Apple's annual flagship iPhone 13 Pro and iPhone 13 Pro Max were officially released on September 24, 2021. The entire iPhone 13 Pro series is equipped with a ProMotion adaptive screen, a lower power...[Details]
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When compiling u-boot, add $(obj)u-boot.dis to the end of the ALL variable in Makefile, and u-boot.dis will be compiled. u-boot.dis is the disassembly of each instruction of u-boot generated by arm-l...[Details]
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Tickclock can achieve precise delay, which is not detailed in the K60 datasheet. Now I will share the information I found. Systick is mentioned in Cortex-M4. We often use delay functions in sin...[Details]
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800V platform? SiC power devices? Or in-wheel motors?
As one of the hottest technology trends at the moment, flat wire motors are the first to bear the brunt. Since Tesla also began to adopt t...[Details]
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"Every electronic engineer should have at least one oscilloscope", this conclusion is enough to prove that oscilloscopes are indispensable to electronic technology. In such a key market, people often ...[Details]
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Switching power supply has always been a very popular technology in the electronics industry. Although its performance cannot bring about earth-shaking changes in our daily lives, its development t...[Details]
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For 72M frequency, the pwm frequency is calculated as: frequency: //Fpwm = 72M / ((arr+1)*(psc+1))(unit: Hz) Duty Cycle: //duty circle = TIM3- CCR1 / arr (unit: %) This way, you have to manu...[Details]
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At present, in China, the problems of high resource consumption and waste are very serious. With the rapid economic growth and the continuous increase in population, the contradiction of insufficient ...[Details]
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Introduction
With the development of electronic technology, the integration and performance of digital circuits have been greatly improved, so complex circuit functions can be realized on...[Details]
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This article introduces the computer voice system composed of Flash microcontroller AT89C2051 and digital voice chip ISD2560, designs the hardware circuit of the system, and provides practical source...[Details]
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Analysis of CAN Scheduling Theory and Practice
Whether messages in the CAN bus can be delivered on time is an important indicator related to system safety and other issues, which mu...[Details]
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Ground resistance test record sheet The following table is the ground resistance test record table Note: 1. Test result = measured resistance value × seasonal coefficient; 2. The ground ...[Details]
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E4416A EPM-P Series Single Channel Power Meter Description: Keysight E4416A single-channel EPM-P series power meter uses the E9320 peak and average power sensor, which is suitable for peak power and ...[Details]
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0 Introduction
Traditional shallow sea topography measurement is carried out with ships as platforms and sonar technology. This measurement method forms a blind spot for some areas that are diffi...[Details]
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