Programmable Modular DIY Drone Airblock : https://training.eeworld.com.cn/course/3891 Small and exquisite, free to move, amphibious on land and in the air, modular and programmable drone~[url=https://...
Since the minimum system of STM32F407VGT6 failed, I want to test it step by step to find out the reason. . Regarding the minimum system of STM32F407VGT6, I want to make the simplest system, that is, i...
On the 18th of last month, I applied for several samples from TI, but when the samples arrived in Wuhan, I didn’t receive them because of the courier company. Later, I checked online and found that th...
Coolpad has an API, int YLMsgBox(TCHAR *content, TCHAR *caption, int iType). What does this MessageBox look like? Is it the same style as its own UI? Also, what does the return value mean? If it is a ...
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
Reliability and real-time performance are the basic requirements for control systems. Initially, motor control used analog circuits with discrete components. With the advancement of electronic tech...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
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