[backcolor=rgb(239, 245, 249)]TL494Buck circuit, input 15VDC, output 5VDC. Without load connected, the voltage is stable at 5V, and after connecting the load, the voltage drops to about 4. The voltage...
I have a program developed in VC++, and now I want to port it to the EVC environment. Since I don't know much about EVC, I don't know where to start. Is there any hero who can help me? Thank you! My e...
The program I developed uses sqlce. Now the device's operating system has been upgraded to windows ce 5.0. When the program is run on the new operating system, an error message appears saying "Cannot ...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
Since the implementation of the self-weight toll collection system, the highway administration has not only high requirements for the vehicle axle recognition rate, but also requires a long service li...[Details]
At present, single-chip microcomputers have been widely used in home appliances, medical treatment, instrumentation, industrial automation, aerospace and other fields. The more popular types of sin...[Details]
Hollysys' LM series PLC products fully consider the difficulties in integrating machines, equipment and subsystems in large control systems, and provide a variety of open communication protocols and i...[Details]
0 Introduction
In microwave, radar, radio and television, and communication systems, the problem of coupling RF power is often encountered. A directional coupler is a directional power divide...[Details]
: Ambiguous operators need parenthesesAmbiguous
symbol ``xxx``Argument
list syntax errorArray
bounds
missingArray
size
toolargeBad
character
in paramentersBad
file
name format in i...[Details]
When programming in C and assembly, there are interface issues between variables and functions in C and assembly.
Variables defined in a C program are put into the .bss area after being compile...[Details]
Central topic:
Basic concepts of GSM mobile phones.
Considerations in design and debugging of mobile phone power amplifiers. Considerations in mass production testing of mobile ...[Details]
Power over Ethernet
(POE) Overview
POE (Power Over Ethernet) refers to the technology that can provide DC power to some IP-based terminals (such as IP phones, wireless LAN access points ...[Details]
The progress and development of computer technology and modern communication technology have made Zigbee technology mature. This system has established a mesh network based on the Zigbee2007/PRO proto...[Details]
PCB Design
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