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When using a multimeter to test a speaker, you can determine whether the speaker is damaged by testing the speaker's resistance. Before testing, you can first understand the nominal AC impedance val...[Details]
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uboot startup kernel analysis Enter cmd_bootm.c and find do_bootm() corresponding to the corresponding bootm command: int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv ) { boot_o...[Details]
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1 Introduction
Power adapters are power supply conversion devices for small portable electronic devices and electronic appliances. With the rapid increase in the number of users...[Details]
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1. Compilation environment and library filesLinux environment: ubuntu-10.10Cross compilation: 4.3.3ARM board: tq2440libz : zlib-1.2.7libjpeg : jpegsrc.v7libpng : libpng-1.5.10libyasm : yasm-1.2.0op...[Details]
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Qingdao Hisense Electronics Co., Ltd. announced that the company name will be changed from "Qingdao Hisense Electronics Co., Ltd." to "Hisense Visual Technology Co., Ltd." and the company's stock nam...[Details]
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Meta has seen shaky results with advertising to iOS users since Apple’s iOS App Tracking Transparency feature kicked in, according to 9to5 Mac. Meta, the parent company of Facebook and Instagram...[Details]
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introduction
The core of embedded system hardware is various types of embedded processors. Currently, there are more than 1,000 varieties of embedded processors in the world, and there are...[Details]
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As the fourth generation of new energy-saving light sources, LED light sources have been used as light sources for various lamps since their birth. The luminous efficiency of incandescent lamps as ...[Details]
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Apple's M1 Pro and M1 Max chips have been officially released and are installed in the latest MacBook Pro 14/16 notebooks. The M1 Max chip integrates a 10-core CPU and a 32-core GPU, with a tot...[Details]
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In what cases will the servo motor vibrate? How can we solve the problems caused by the servo motor vibrating? How are they solved respectively?
For example: if the acceleration and dece...[Details]
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This time we are going to talk about downloading programs, pictures or other files to SPI Flash. I use W25X16 SPI Flash, which has 2MB space, 2 Blocks, 512ge Sectors, and 8096 Pages. Since SPI Flash ...[Details]
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On October 30, Wingtech Technology disclosed its third quarter report for 2020, showing that despite the impact of the global epidemic, the company still maintained rapid and strong growth. The ann...[Details]
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Embedded RF Systems Almost every electronic product today is an embedded system, ranging from electronic watches to various complex control systems. Embedded systems are actually dedicated co...[Details]
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High-brightness LEDs are used as flash sources in mobile phones and digital cameras. These applications require optimized driver solutions that extend battery life and reduce printed circuit board (P...[Details]
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Setting the origin position signal for the ABB robot is an important step, which can help the robot accurately locate and perform tasks.
Understand the importance of the origin position s...[Details]