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The basic function of PWM is to output square waves with different adjustable duty cycles at a certain periodic frequency. The clock (frequency) of the pwm in Lpc1788 comes from the c...[Details]
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1 Composition of communication power supply system
Power supply is an important part of communication system. A complete communication power supply system consists of 5 parts: AC distribution...[Details]
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Solar energy is an inexhaustible energy source with the characteristics of universality, safety, harmlessness, hugeness and longevity. It is now widely used in people's lives, such as solar water h...[Details]
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1. Don't say "Give me a code" as the first sentence when you see someone else's reply. You should think about why. When you figure it out yourself
and refer to other people
's
tips, you will...[Details]
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Magnetic flap level gauges can be found in many industries such as electricity, petroleum, chemical industry, metallurgy, environmental protection, shipping, food, etc. The reason why this level me...[Details]
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Fuel cell vehicles use hydrogen as fuel. Hydrogen reacts chemically with oxygen in the atmosphere, converting chemical energy into electrical energy through electrodes, and using electrical energy as ...[Details]
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The electromagnetic flaw detector uses a single-core armored cable, which is not only the power supply cable of the downhole instrument, but also the communication cable between the downhole instru...[Details]
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This article uses the clock chip DS1302 as an example to analyze the timing diagram and write the code. DS1302 uses the SPI three-wire interface to communicate synchronously with the microcontroller...[Details]
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Take serial port interrupt as an example:
like:
void serial() interrupt 4
{
}
and
void serial_uart() interrupt 4
{
}
The functions of both functions are to define the ...[Details]
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//4x4 matrix keyboard scanning routine (C51) //Use the LED on the P0 port to display the key value obtained by scanning the 4x4 keyboard // //Li Yingchao, School of Physics and Electronic Engineering...[Details]
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According to the rule of thumb, four-layer boards are usually used in high-density and high-frequency applications, which are more than 20DB better than two-layer boards in terms of EMC. Under the con...[Details]
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Earlier, LED lamps began to enter the mainstream lighting in developed countries. The market has a certain degree of recognition and acceptance of LED lamp products. The environmental protection, s...[Details]
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China Energy Storage Network News:
Cailian Press (Beijing, reporter Xu Haidong) reported that the construction of new energy is in full swing, and the construction of a new power system is ...[Details]
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The Semiconductor Industry Association (SEMI) today (14) released the "2018 Recycled Silicon Wafer Forecast Analysis Report", pointing out that due to the record number of recycled wafers processed, ...[Details]
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0 Introduction
With the development of modern electronic technology and power devices, switching power supplies are widely used in computer and peripheral equipment communications, automat...[Details]
Microcontroller MCU
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