IoT Embedded Engineer Practical Project : https://training.eeworld.com.cn/course/4915Practical explanation of embedded projects, from software to hardware...
T1 is a transformer for stepping down the voltage; D1~D4 are rectifier diodes, forming a rectifier bridge; C1 and C2 are filter capacitors at the input and output ends respectively; U1 (LM7824CT) is a...
The servo drive has a fast response speed, a high overload multiple, and the trend of miniaturization and high power density has put forward more stringent requirements on power devices.
Infineon's st...
What impressed me about the environment of HelloWorld OpenSTlinux is that the board directly displays the graphical interface after startup, and does not output console information like the screen! Th...
Abstract: This article uses the Smith chart as a design guide for RF impedance matching. Examples of plotting reflection coefficient, impedance, and admittance are given, as well as an example of plot...
In circuit design and PCB production, we often encounter power symbols: VCC, VDD, VEE, VSS. What is the relationship between them? 1. Explanation VCC: C=circuit means circuit, that is, the voltage c...
Introduction: In the past, when LEDs were only used as status indicators, heat dissipation in LED packages was never a problem. However, in recent years, as the brightness and power of LEDs have been ...[Details]
DC current
sources
with good stability, high precision and preset output are often used in
electronic
equipment
. The digital control DC current source designed in this paper can eff...[Details]
pull up definition 1. Pull-up is to clamp an uncertain signal at a high level through a resistor, and the resistor also acts as a current limiting function; 2. Pull-up injects current into the d...[Details]
On October 21, Jidu and CATL signed a strategic cooperation agreement to jointly promote the research and development and mass production of new energy technology products for automotive robots...[Details]
The inverter is mainly composed of rectification (AC to DC), filtering, re-rectification (DC to AC), braking unit, drive unit, detection unit and microprocessing unit.
1. Why can the rot...[Details]
Today, SMIC held a Q3 earnings conference, and Chairman Zhou Zixue participated for the first time in two years to share his views on the semiconductor industry. The last time he attended an earnings...[Details]
The lightning rangefinder introduced in this example uses the time difference caused by the different propagation speeds of the sound and light of lightning in the atmosphere to test the distance of...[Details]
As we all know, the frequency conversion speed regulation scheme of high-power fans and pumps can achieve significant energy-saving effects, with great direct economic benefits, and even greater macr...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
On June 25, the fifth Jiwei Semiconductor Summit was officially opened in Haicang, Xiamen. The theme of this summit was "The Heart and the Core are in the Same Form, and the Changes are Like Kunpeng"...[Details]
At present, the digital revolution represented by the Internet and big data is profoundly changing the national economic form and lifestyle. State Grid Corporation of China is accelerating the cons...[Details]
Analog IC designers (especially DC/DC regulator IC designers) seem to not appreciate the hard work of digital IC designers as these magicians who tinker with digital "ones" and "zeros" discard old ...[Details]
The function of PORTB is basically ordinary IO, but it has other features that other pins do not have. When each pin of PORTB is used as an input, there is a weak pull-up available inside. RB0 of P...[Details]
What are the characteristics of stepper motors?
A stepper motor is a special type of electric motor. Compared with traditional DC motors or AC motors, it has the following characteristics:
...[Details]
On November 5, the Ningxia Autonomous Region Development and Reform Commission issued a notice on promoting the healthy development of energy storage.
The document proposes to strictly impleme...[Details]
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