Let's talk about the code first void Timer_0(void) interrupt 1 //interrupt function { TH0=(65536-50)/256; //(65536-n) is the initial value of the timer TL0=(65536-50)%256; num++; if(num>10)num=1; else...
[color=#800080][b]Shanghai Bell PCB Design Specifications--Absolutely very good information[/b][u][url=http://www.eleom.com/pcb/Shanghai_Bell_PCB.pdf][url=http://www.eleom.com/pcb/Shanghai_Bell_PCB.pd...
How to modify copper partially in Altium Designer15? How to modify copper partially without re-coppering? It seems that no one here knows this question. . Like in 99se. . I wonder why this AD is falli...
I would like to ask, when a GPIO pin is set to output, will the two registers CLR_DATA and SET_DATA conflict? For example, if the same bit of CLR_DATA is set to 1 and the same bit of SET_DATA is also ...
Purpose: Based on practical experience and actual projects, you will understand and master the most basic knowledge to become a qualified hardware engineer. 1) Basic design specifications 2) Basic kno...
In the process of embedded development, we sometimes encounter this situation: before debugging, we have compiled the target code. At this time, if we directly click the debug button, the IDE debugger...
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[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]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[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]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
This paper describes the design method of electronic multifunctional watt-hour meter, the key technology of hardware design and the software design process. Taking NEC's μPD78F0338 microcontroller ...[Details]
51mcu
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