The design of the 0 to 10V adjustable signal generator is required to achieve a 0 to 10V adjustable stable voltage output through a multi-turn potentiometer, a three-digit LED display, an accuracy of ...
Today I modified a TCP/IP program on EVC. The purpose is to open a file, display the content in the edit box, and then send it to the PC. With everyone's help, the function has been basically realized...
I would like to ask if icw1-4 and ocw1-2 are written after the operating system initializes 8259a (of course, the corresponding modification depends on whether there is cascading). What should I do if...
I first use stm32 to send data to cpld via spi, and cpld processes the data and sends it back. The key to the problem is that the working mechanism of the program in cpld is as follows: I accept all d...
In 2005, Infineon's automotive electronics business achieved an 11.9% sales growth, once again surpassing the 7.5% growth of the global market (total market value of $16.4 billion). Data comes from ma...
1. As shown in the figure: Is there current on NS during the shutdown period of the forward circuit? If there is no D2 freewheeling diode, where does the current come from? 2. Some people say that the...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[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]
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]
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]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[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]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
This article introduces a high-reliability, high-power automatic water supply device made with 89C2051 single-chip microcomputer, which has phase loss detection, over-temperature detection, over-cu...[Details]
At present, more than 40 fieldbuses have been developed in the world, among which CAN bus is suitable for application in automobile inspection lines because of its unique features such as strong re...[Details]
A stepper motor is a motor that converts electrical pulse signals into linear or angular displacements. However, the control of stepper motors is usually developed in assembly language or C languag...[Details]
The rapid development of the automobile industry has promoted the progress of global machinery, energy and other industries, as well as the development of economy, transportation and other aspects,...[Details]
1 Principle and composition of micro-range radar
1.1 Ranging method
There are usually three methods for radar ranging: pulse ranging; frequency modulated continuous wave ranging; phase ...[Details]
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