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How to use the megohmmeter
(I) Preparation before use
1. Check whether the megohmmeter can work properly. Place the megohmmeter horizontally, shake the megohmmeter handle...[Details]
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Only use mdev to create device files. . . . . 1. For the usage of mdev, please refer to busybox-1.9.2/docs/mdev.txt. It has two uses: initializing the /dev directory and dynamic update. The follo...[Details]
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PL2586 is a high-performance solution for USB 2.0 high-speed 4-port hub controller, fully compliant with Universal Serial Bus Specification 2.0. The controller inherits advanced serial interface te...[Details]
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LED lighting is rapidly gaining popularity among users due to its high luminous efficiency, long service life, simple brightness control and environmental protection. As a new energy-saving light s...[Details]
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On September 10, at the International Smart Energy (Electricity) Forum held in Wenzhou, Zhejiang, several Internet experts from the State Grid Corporation of China talked about the practice of the ...[Details]
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In response to the country's "dual carbon" strategy, in line with the principle of "mutual benefit and win-win development", after friendly negotiations, on June 30, 2023, the company signed a "Str...[Details]
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New energy, smart cars, and domestic independent brands are booming. There is an endless stream of big manufacturers, startups, and transformational players, all aiming at era-level opportunities a...[Details]
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Schematic diagram of a simple 8-key electronic keyboard: The microcontroller source program is as follows: /******************************************************************* **********************...[Details]
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Asia's Best Solution Partner - EDOM Technology (TWSE: 3048) today announced the appointment of Mr. Hoffei Hou as CEO and Director. He will lead the business teams including Product Business Group, Sa...[Details]
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DC tolerant current transformers have long been used to sense AC current in smart meters, but they have certain disadvantages and can be expensive. For some applications, resistive shunts are bette...[Details]
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▍No one doubts that VSLAM will be one of the keys to driving further iterations.
Mobile "machine" or robot?
As the number of robots deployed continues to grow, the defects that were "...[Details]
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Class A amplifiers do not have crossover distortion, and audio signals can be transmitted completely. Class A amplifiers are the goal pursued by audiophiles. What is the output power of a Class A a...[Details]
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When I was reading the data sheet recently, I found that there are 8 types of configurations for the STM32 GPIO input and output modes (4 for input and 4 for output):
(1) GPIO_Mode_AIN analog input
...[Details]
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PART1: Failure of peripheral circuit components
This type of failure often occurs after the PLC has been working for a certain period of time. If a component failure occurs in the PLC control ...[Details]
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First, in the previous example, add the dma.c file to the dev folder, and then add it to the Makefile in that directory:
This is the framework. Next, open dma.c to implement it:
...[Details]
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