Heroes, after my serial port is opened, when CreateThread(...) //read thread, it seems to die when it runs to WaitCommEvent(..), if (OpenSerialport((char*)(LPCTSTR)strport,57600)) { MessageBox(_T("Ser...
Application of Auto-Zero Amplifier in Strain TesterAuthor hope79 IntroductionStrain gauge sensors are widely used, and they use a bridge circuit structure to improve output sensitivity. However, the o...
I am designing a timing and counting module using CPLD : press reset to clear, press start to start timing, press stop to stop timing and pass the result to the microcontroller . Now I cannot control ...
Abstract The I2Cbus digital potentiometer is a representative one of the digital potentiometers launched by Xicor Corporation. It integrates many advanced features and attracts much attention from use...
I designed a 3-8 priority encoder using vhdl language. When writing a testbench and using modelsim for sequential simulation, it started normally, but an indeterminate state X appeared in the middle (...
In learning, teachers are a very critical link. This is certainly no exception for embedded learning. Therefore, in embedded learning, teachers are one of the most important factors. What kind of teac...
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]
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]
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]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[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
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[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]
Describe how to meet the challenges of complexity with a modern wiring design toolset. Option codes and expressions can simulate the variables of an automotive project. A full-featured tool suite c...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]