[img]http://www.21ic.com/news/upload/2005_11/05111710462767.gif[/img] Simple and special voltage stabilizing circuit: In some cases, if a voltage stabilizing power supply is needed during load operati...
How to determine whether the Windows Mobile program is connected to the PC's SQL Server? How to determine whether the virtual directory of the SQL CE sqlcesa30.dll on the server is valid? The program ...
Job title: Hardware Engineer Workplace: Nanshan, Shenzhen Number of people to be recruited: 3 Monthly salary: Negotiable Job description: 1. Able to participate in the formulation of project plans and...
To be honest, after playing with several domestic chips, I really like the AT32 chip. Not only can the RAM be expanded at will, but when I was soldering the sample board, I soldered the MCU upside dow...
[font=宋体]1. Be proficient in using Cadence or Mentor software layout. [/font] [font=宋体] 2. Be able to work independently, from making devices to layout and routing to light painting. [/font] [font=宋体]...
make: [clean] 错误 123 (忽略)
cd tutorial; make clean
make[1]: Entering directory `/utulinux/qtopia-1.7-tp/qt-embedded-2.3.7/tutorial'
Some requirements (standard configuration) are not met.
Skipped.
make...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]