The system can start normally when it is started for the first time, but it cannot start when it is powered on immediately after a power outage. It needs to wait for a few minutes before it can start ...
The mission of 1.5 million units must be completed ahead of schedule. After completing the mission of 1 million units ahead of schedule in 2005, the Lenovo Yangtian team received another "higher instr...
I just received an email, share it with you [:)] > >1. Don’t say the word “impossible”. > >2. The first reaction to everything: find a solution, not an excuse. > >3. When you encounter setbacks, say t...
I have been compiling this for a long time, but there are always some problems. I beg the great master to not be stingy. I don’t know how many core coins I have, so I only gave you one. Please forgive...
AM335xuboot spl analysis chip to uboot boot process ROM→ SPL→ uboot.img Introduction In 335x ROM code is the first level bootlader. After the mpu is powered on, the code here will be automatically exe...
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
Some people believe that hybrid vehicles are just a transitional product, and the ultimate goal of developing new energy vehicles is electric vehicles. Therefore, China should skip hybrid vehicles ...[Details]
: Ambiguous operators need parenthesesAmbiguous
symbol ``xxx``Argument
list syntax errorArray
bounds
missingArray
size
toolargeBad
character
in paramentersBad
file
name format in i...[Details]
Example of multitasking and resource reuse of programs
There is an electromechanical device with two buttons that control two different parts of the device.
Now the requirement is:
wh...[Details]
The physical interference of dc/dc switching power converters is well known unless the system and circuit diagram are carefully designed. These converters can inject unwanted charge into the electr...[Details]
introduction
In modern applications, traditional low dropout regulators (LDOs) are being replaced by switching power supplies (SMPS). Although LDOs are a low-cost and rugged power solution...[Details]
1 Working Principle
This system makes full use of the control and computing capabilities of the 89C51 single-chip microcomputer and adopts the MCS-51 assembly language to design a microwave pu...[Details]
FPGA/CPLD
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