1. Operators
Logical operator// logical AND, || // logical OR, ! // logical NOT;and || are binary operators, and ! is a unary operator;
The precedence of logical operatorsand || is lower than that of ...
I am working on compiling the Android kernel under Linux. My boss gave me a compressed package of Android source code. After decompression, there are three files, two .tar.gz files and a description f...
NVIC_SetVectorTable is a library function of STM32 that implements the remapping of interrupt vectors. How to access this thing? The starting address is 0x08000000, which is the default interrupt vect...
I have a computer with only a serial port but no USB interface, and my printer has a USB interface, that is to say, computer serial port -- serial port to USB adapter module -- USB interface printer, ...
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]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[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]
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]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[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]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[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]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
Introduction
Every year, cars are equipped with more complex electronic systems to maximize comfort, safety, and performance while minimizing harmful emissions. According to market resea...[Details]
Introduction
Zero-IF receivers are not new; they have been in use for some time, with cellular handsets being a key application area. However, their use in high-performance receivers such as...[Details]