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1. Design ideas
This example uses the RB port interrupt of PIC16F877 to design a buzzer, which can be used for buzzer contests with no more than 4 teams or individuals.
Each team shall be e...[Details]
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Title: Learn how to use register to define variables.
1. Program analysis:
2. Program source code:
void main()
{
register int i;
int tmp=0;
for(i=1;i =100;i++)
tmp+=i;
printf("The sum is %d "...[Details]
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Under the market conditions in 2020, the continuous opportunities that can be seen at present are the large-scale deployment of 48V under the constraint of not relaxing emissions. According to the da...[Details]
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With the rapid development of computer technology, as an important part of computer input devices, the types and functions of keyboards are also constantly evolving. Among them, mechanical keyboard...[Details]
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1.
High
luminous efficiency
After decades of technological improvements, the luminous efficiency of
LED
has been greatly improved. Incandescent lamps and halogen lamps have a luminous e...[Details]
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In order to improve energy efficiency, countries are accelerating the construction of smart grids and vigorously promoting smart meters to meet the growing demand for electricity. While rapidly p...[Details]
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Yesterday, Zhang Guoquan, Director of Xiaomi Mobile System Software Department, announced that the MIUI version of Android Q has started internal testing. Welcome to report any issues! Once it is sta...[Details]
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New energy vehicles have now become a forward-looking field in the automotive industry. The driving technology of new energy vehicles is quite different from that of traditional internal combustion...[Details]
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Many medical applications require portable, self-powered devices that do not require external power and data cables. The most obvious example is a portable data logger that patients carry with them...[Details]
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In five years, today's science fiction will become pure and simple science, when users can access health information through 3D interfaces (which we have seen in movies).
Scientists are alread...[Details]
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0 Introduction With the rapid growth of China's economy, the demand for energy continues to increase rapidly. China has become the second largest energy consumer in the world. However, China's p...[Details]
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The three-phase IGBT full bridge has six IGBTs that need six drivers in total, and the ground of each IGBT driver power supply is connected to the emitter E of the IGBT. The three IGBTs in the lower a...[Details]
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1 Introduction
Waveform generators have been widely used in various fields such as communication, control, and measurement. Waveforms such as sawtooth waves, sine waves, and square waves are often ...[Details]
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1 Introduction
Current electronic equipment is mainly composed of electronic components and semiconductor devices. This leads to two problems: first, many components, especially semiconductor ...[Details]
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Soft start and star-delta start are two common motor starting methods. They have certain differences in starting current, starting torque, starting time, etc.
Soft Start
Soft st...[Details]
FPGA/CPLD
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