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Recently, He Lifeng, director of the Central Finance Office, emphasized in an article titled "Improve the System and Mechanism for Developing New Productivity in Accordance with Local Conditions": Dev...[Details]

STC51 microcontrollers generally have one serial port, and some have two serial ports. The serial port is generally used for downloading programs and serial communication. Serial communication is par...[Details]

Although the sales volume of the heavy-duty truck market has dropped from 1.587 million units in 2020 to 619,000 units in 2023, the sales volume of new energy heavy-duty trucks has cont...[Details]

Automatically detect whether the remaining space supports backup upgrades to prevent bricking due to upgrade failure. /******************************************************************************...[Details]

C51 function declaration extends ANSI C, specifically including: 1. Interrupt function declaration: The interrupt declaration method is as follows: void serial_ISR () interrupt 4 { /* ISR */ } In or...[Details]

The iPhone has always been known for being "expensive enough to impress" and is the representative of high-end mobile phone brands. However, in recent years, in order to gain market share, Apple has ...[Details]

Test code:  #include  stdio.h   void printf_test(void) { printf("hello wordn"); printf("This is www.100ask.org   my_printf testn") ; printf("test char           =%c,%cn", 'A','a') ; printf("te...[Details]

Mechanical design and automation is a comprehensive technical discipline that studies the design, manufacturing, operation control and enterprise management of various industrial mechanical equipme...[Details]

Nowadays, multimeters have become a basic tool for everyone in all walks of life. According to the different accuracy, handheld multimeters are divided into three-and-a-half-digit, four-and-a-half-di...[Details]

On December 24, 2021, the General Office of the People's Government of Hainan Province issued the "Management Measures for the Hainan Free Trade Port Construction Investment Fund", establishing a pro...[Details]

Let us turn back the clock to an autumn day in September three years ago.   That day, Apple's autumn new product launch conference arrived as scheduled. When Apple CEO Cook showed off a pair of wirel...[Details]

Write a subroutine paixu to achieve the order of 1-Byte numbers. The 10 binary numbers to be sorted (custom data size) are stored in the memory space. Write macro definitions to implement size compar...[Details]

1. Hardware Solution This design uses 51 single-chip microcomputer as the core controller, and uses gas sensor MQ-2, ADC0832 analog-to-digital converter, DS18B20 temperature sensor, etc. to realize b...[Details]

In order to solve the problem of commercial vehicle products meeting the use scenarios, user groups and personalized needs, and at the same time meeting the large-scale production and manufacturing...[Details]

The following program implements the development board receiving a character from the PC port, adding 1 to the character and sending it back to the PC port. (Tested successfully on this development b...[Details]