The book says: Use the following command to compile vfifo.c: #gcc -c vfifo.c -D_KERNEL__ -DMODULE -O2 -g -Wall If there is no error, a vfifo.o file will be generated in this directory. But I got an er...
I am exploring wireless modules and fingerprint modules. I want to know what is the difference between the 3.3V after voltage reduction and the 3.3V on the transistor?Where does vi refer to 3.3V or th...
RT, I am working on the driver of DM9000. DM9000 has two physical addresses, one for writing I/O register instructions and the other for writing DATA. In the process of allocating virtual memory under...
[font=Times New Roman] [/font] [font=Times New Roman][/font][font=宋体]Do you want to own a[/font][font=Arial][color=black]viennois[font=宋体]Swarovski crystal necklace[/font][/color][/font][font=宋体]? [/f...
Hi, everyone~ It's time to review the highlights of the week again~~ Let's take a look at what wonderful posts have appeared~ [b][font=Microsoft YaHei][size=3][url=https://bbs.eeworld.com.cn/thread-50...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[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]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[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]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[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]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
1 Introduction
Intelligent cars are the embodiment of the cross-integration of multiple disciplines such as automotive electronics, artificial intelligence, pattern recognition, automatic con...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]
Lithium iron phosphate batteries are used as lithium-ion secondary batteries. Their main application is now in power batteries, which have great advantages over NI-H and Ni-Cd batteries.
Lithi...[Details]
Linux and Android
京公网安备 11010802033920号
EEWORLD
