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Digital multimeters are definitely familiar to all electronic and power engineers. A digital multimeter (DMM) is an electronic instrument used in electrical measurements. It can have many special fun...[Details]
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PWM is widely used in single-chip microcomputers. Its basic principle is very simple, but its meaning is often not exactly the same in different occasions. Here I will introduce the basic concepts an...[Details]
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1. The instruction format of the left shift of register f with carry bit (C) is: RLF f. d Where d=1, result → f; d→0, result → w. The function is shown in the figure below. 2. Shift right the con...[Details]
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Automatic cigarette lighter circuit principle
The circuit working principle of the device is shown in the figure below. Normally, the light of the infrared light-emitting tube VD1 directly shines...[Details]
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In VRLA batteries, small amounts of hydrogen evolution on the negative plate and corrosion of the positive grid both result in electrolyte water loss.
Water vapor permeation through
the cell
can ...[Details]
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Recently, Baojun Automobile announced that it will be the first to use Lingmou Intelligent Driving 2.0 Max on its new model Yunhai. This system is the latest intelligent driving achievement of Baoj...[Details]
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TFTLCD The commonly used communication modes for TFT LCD screens are 6800 mode and 8080 mode. For TFT color screens, 8080 parallel port (abbreviated as 80 parallel port) mode is usually used. The...[Details]
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In general isolated power supplies, optocoupler isolation feedback is a simple and low-cost method. However, there has been no in-depth research on the various connection methods and differences of op...[Details]
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/*It took a lot of effort to solve this very simple problem. Please pay attention to the difference between the interrupt vector address and the vector number. */ /*The clock beat can be in microseco...[Details]
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According to the China Times Electronic News, JPMorgan Chase pointed out in its latest report provided to clients that the US investment ban on securities of 44 Chinese military-related companies wil...[Details]
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1. Admittance Refers
to the ease with which current flows in a conductor in an AC circuit, which is the reciprocal of "impedance".
2. Aluminum Nitride (AIN) It
is a relatively new cer...[Details]
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Xiaomi's MIUI system is one of the most concerned areas for many Mi fans. The internal test group can enjoy the latest version of MIUI, but it needs to apply for qualifications. This afternoon, many ...[Details]
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Mouser Electronics, an electronic component distributor focused on introducing new products to drive industry innovation, announced that it will hold a new online seminar with Molex from 10:00 to 11:...[Details]
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Introduction
With the rapid development of the national economy and the improvement of people's living standards, various monitoring systems have emerged and are widely used in key areas such as ban...[Details]
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On October 30, the second batch of enterprises settled in Yibin Energy Storage Industrial Park held a centralized start-up event. Municipal Party Committee Secretary Fang Cunhao attended and announced...[Details]