[i=s]This post was last edited by MianQi on 2021-9-14 11:13[/i]During the test, the "COM is closed" condition was encountered, and the communication port on the board was not lit. Check the communicat...
[i=s] This post was last edited by fengye5340 on 2014-8-14 07:46 [/i] [align=left][size=3][color=Blue][b][size=5]【Solution Introduction】[/size][/b][/color] [size=4] In the design of the power supply c...
Recently I saw a board with a 25P40VP chip on it. The logo is ST, which means it is a product of STMicroelectronics. However, I went to the official website to check the datasheet, but could not find ...
Which command can be used to register the smart device ocx developed by vc2005 on the pda? When registering, does the ocx have to be in the windows directory?...
RTOS system beat
Traditional RTOS uses a hardware timer to generate periodic beat interrupts as the system time base. In most applications, the system beat period is in milliseconds, and the resolutio...
Quote: [indent] Original post by [i]soso[/i] at 2009-2-27 14:57 [url=https://bbs.eeworld.com.cn/redirect.php?goto=findpost&pid=149786&ptid=72986][img]https://bbs.eeworld.com.cn/images/common/back.gif[...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]
The fluorescent lamps and energy-saving lamps we commonly use now have greatly improved luminous efficiency compared with the earlier ordinary incandescent lamps and have been widely used. With the...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems (GP...[Details]
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