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Constant voltage circuit and constant current circuit composed of operational amplifier and triodeConstant voltage circuit
The 15V voltage provides enough current to the output end of the circuit. R3 ...
[Foreword] A while ago, I read the introductory manual, pulled examples to run, or modified them, and they could run. However, if you really want to write what you want from scratch, you will encounte...
ldconfig is a dynamic link library management command, its purpose is to make the dynamic link library shared by the system.
The main uses of ldconfig:
By default, library files are searched in /lilb ...
[i=s]This post was last edited by cruelfox on 2019-6-3 10:20[/i] I just finished the review of STM32WB55, and I want to "strike while the iron is hot" to continue to review CC1532P1-LAUNCHXL. Both of ...
Interferometer is a universal length measuring tool that uses the Michelson interference system to measure displacement with the laser wavelength as the known length. There are two types of laser in...[Details]
On December 11, the Guangzhou CPPCC visited key private enterprises, including Guangzhou Yuexin Semiconductor Technology Co., Ltd. At Guangdong Xin Semiconductor Technology Co., Ltd., the research ...[Details]
Preface
With the increasing number of MCU types, the range of our choices is getting larger and larger. Many friends who used to work on 51 have started to look for new prey for themselves, and...[Details]
Famous humanoid
robot
manufacturer Agility Robotics recently announced that veteran technology executive Peggy Johnson will serve as the company's CEO, replacing co-founder Damion Shelton. ...[Details]
How to become a microcontroller expert? Here are some suggested learning processes.
1. Buy one or two books. I recommend two books: "Microcontroller C Language Development Beginner's Guide" an...[Details]
Differential Measurements vs. Floating Measurements
All voltage measurements are differential measurements. A differential measurement is defined as the voltage difference between two...[Details]
With the development of Sino-US relations, the localization of chips and semiconductor devices has become a hot topic recently. Huawei and HiSilicon are the pioneers of China's semiconductor localiza...[Details]
In the era of intelligent connected cars, communication between vehicles (C-V2X communication) has become particularly important. In order to ensure the security and authenticity of vehicle communi...[Details]
1 Introduction
Fire
Floor
Display
As an important part of the automatic fire alarm system, it is a digital fire alarm display device installed on the floor or independent fire z...[Details]
We live in an era of great technological discontinuity. Emerging wireless communication applications are trending toward wider bandwidths, higher frequencies, denser modulation schemes, multiple chan...[Details]
The complete design process of a circuit system includes three stages: system design, function design, and tolerance design. System design seems to be the most abstract part, but it is also the mos...[Details]
introduction Constant current source is an important part of analog circuits, which can be used as bias, control or drive circuits. The traditional current mirror circuit changes the characteristics ...[Details]
1 Introduction In actual radio and television transmission work, the entry test of new transmitters and the daily indicator test of transmitters all involve audio testing. The audio spectrum anal...[Details]
6 main reasons for LED lamp damage
白光LED属于电压敏感型的器件，在实际工作中是以20mA的电流为上限，但往往会由于在使用中的各种原因而造成电流增大，如果不採取保护措施，这种增大的电流超过一定的时间和幅度后LED就会损坏
1. A sudden increase in the power supply voltage.
2....[Details]
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