Is OS_CPU_SR_Save only used in the kernel? I looked at its content and it is about disabling interrupts. Is its function to protect the global variables in the kernel and achieve a mutual exclusion ef...
Qt Quick and QML Introduction : https://training.eeworld.com.cn/course/9The Atmel QTouch library makes it easy for developers to embed capacitive touch buttons, sliders and wheels into common Atmel AT...
[i=s]This post was last edited by Beixiao on 2021-11-13 11:39[/i]I used a series voltage regulator circuit before, and then I saw this circuit. Both circuits can stabilize the voltage, but what is the...
[i=s]This post was last edited by qwqwqw2088 on 2020-1-24 15:03[/i]30 questions in total
1. Opposites in batteries 2. Analysis of low-capacity ideas 3. A brief discussion of Six Sigma Design 4. Severa...
In the power design module, I refer to TI's design circuit. The two power chips are of the same model, and the peripheral resistors and capacitors are calculated using the same formula. Why can one ou...
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and economic o...[Details]
Improving the coordination of material handling and internal transportation between departments in modern factories is an important measure to achieve full automation of production. Traditional mat...[Details]
IP STB interactive services that are constantly updated
The interactive digital content services that can be provided through the television system include television on demand (Vo...[Details]
Infineon's ICL8001G adopts a single-stage flyback and PFC controller with quasi-resonant operation mode, with a power factor greater than 98%, LED driver efficiency up to 90%, an operating voltage up ...[Details]
1 Introduction
With the rapid development of the national economy, AC motors have played an extremely important role in industrial production. As the main traction motor in various industries,...[Details]
Some industrial applications require a
three-
phase supply to be fed into a low-power dc/dc converter that may have to handle 200V or 400V effective line-to-line voltages. In addition, the...[Details]