I'm asking for my classmate if anyone has a C8051 development board. If anyone has one, just send me a message. Recommendations are also fine.[[i]This post was last edited by ch0721 on 2011-4-24 14:13...
The bootloader in a PC is used to boot the loader kernel, while the bootloader in an embedded system is used to perform functions similar to the BIOS in a PC, but also includes the functions of the bo...
Many people think that designing a switching power supply is difficult, but it is not. Designing a switching power supply is not difficult, but the difficulty lies in doing it well. Once you really ge...
After reading Shao Beibei's classic ucos tutorial, I followed the examples on the CD and used bc45 to compile Example 1. Although it can be compiled, there are many warnings, up to 48 warring ucos/cor...
As a beginner, I think STM32F107 is very good and has a lot of information after everyone recommended it. But after I applied, the company put forward specific requirements. Because I need to transmit...
First, let's summarize the serial ports 232, 422, and 485.
Serial port 232: bidirectional transmission, full-duplex, maximum rate 20Kbps, negative logic level, -15V~-3V logic "1", 3V~15V logic "0".
Se...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[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]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[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]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
Modern communication equipment, portable electronic products, laptops, electric vehicles, small satellites, etc. generally use batteries as power sources and are widely used. However, the batteries...[Details]
Improving the coordination of material handling and internal transportation between departments in modern factories is an important measure to achieve full automation of production. Traditional mat...[Details]