I want to ask, I define a structure a { unsigned char a1; unsigned char a2; unsigned char a3; unsigned char a4; }aa; Now I want to assign an array, such as unsigned char b[4]={0,1,2,3}; to a1, a2, a3,...
My hardware connection is: CE-XIN, CS-XOUT, SCK-P1.7, MOSI-P2.5, MISO-P2.4, IRQ-P2.3. The specific procedures are as follows. Please help me! ! /*******************************************************...
In the past, I often saw people asking how to export S-curves, directional diagrams, etc. from Designer in this forum. It seems that there has been no solution. When I checked the software help, the p...
I'm making a three-phase inverter. I don't have an input, but there is AC at both ends of the input, the S end of the upper tube, and the output end, and the amplitude is very large! ! ! What's going ...
[size=9pt][color=black][b]Author: [/b]Sun Tianze, Gold Medal Lecturer of Huaqing Yuanjian Embedded College. [/color] Since its birth in 1991, the Linux kernel has been growing and developing under the...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
Programming Basics
京公网安备 11010802033920号
EEWORLD
