[b][font=宋体]Dynamic scanning of digital tubes[/font][/b][align=left] [/align][b][font=宋体]1. Project background[/font][/b][align=left]LED digital tubes (LED Segment Displays[font=宋体]) are devices that ...
[align=left][font=宋体][size=12pt] Since Toyota launched the hybrid car "Prius" in 1997, it has sold 1.4 million units worldwide. At this year's auto show, Toyota also launched the Lexus hybrid car. Toy...
I am porting a TCP/IP protocol stack. When I compile the protocol stack code with the operating system, there is no problem sending messages to a UDP server based on the protocol stack. However, if I ...
I created a textlable in the graphical interface and used QProcess to execute an external program. I want the output of the external program to be displayed in this textlable. The program is a normal ...
In the experimental textbook, when doing the experiment in de1_soc_sw_lab3, after entering the make command, this error is displayed. I still don't understand it. Sad:...
1. After the PCB is completed, some pin angles are modified directly on the PCB when drawing. Can they be automatically matched to the schematic diagram? 2. There is a schematic diagram that was copie...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[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
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[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]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[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]
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]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
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