1. 8259 application experiment (1) According to the circuit shown in Figure 7-4, write a program so that each time it responds to external interrupt IRQ7, the character "7" is displayed. After 10 inte...
I'm planning to buy a computer. I've been using Samsung for 4 years. I'm going to graduate school and want to change to a new one. Among the three brands mentioned above, can you recommend one to me? ...
From November 06 to 08, 2022 , ELEXCON Shenzhen International Electronics Exhibition and Embedded System Exhibition will be held in Shenzhen Convention and Exhibition Center (Futian) . Multiple subway...
The last few hours, hurry up if you want it~ 100 sets of RVB2601, a RISC-V ecological development board worth 390 yuan, are coming. Submit your ideas now and you will have a chance to get it for free!...
Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences (Preparatory Committee) Recruitment Notice for Researchers(查看原文)//-->Shenzhen Institutes of Advanced Technology, Chinese Academy ...
Aiming at the problem that short-distance wireless data transmission equipment is limited in industrial application due to high power consumption, this paper studies the low-power data transmission pr...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]