I received the CPU board, LCD and PCB, and finally finished soldering them in one night. I won't say much, here are the pictures. [[i] This post was last edited by disheng on 2009-8-2 00:46 [/i]]...
2007 3rd National Vocational Skills Competition for People with Disabilities Test Questions (Practice Questions, Exam Questions) Electronic Assembly and Testing (Competition). [url]http://ceee.ytu.edu...
Abstract: The causes of memory errors are analyzed, and effective ways to improve its reliability are proposed. Combined with the reliability growth plan for aerospace computers, a scheme for fault to...
I was lucky enough to win a Magic Light Ball air purifier in this forum, but the air quality is not bad for the coastal areas of Guangdong. This equipment does not seem to be very useful. It may be us...
1. Battery interface Maple's battery interface uses the most commonly used 2mm pitch connector.When connecting, pay attention to the positive and negative directions. The positive and negative symbols...
How do I run this small program on the digital tube? It also displays an error. Please give me some advice! #include
#includeunsigned char const TABLER[]={0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,...
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[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. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[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]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[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]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[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]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[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]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]