[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:02[/i] Nokia, which CEO Elop described as a "burning platform", had to choose to shave its bones to survive, laying off 10,000 employee...
In the previous chapter, we introduced how to use QAction to add actions. Among them, we used QIcon to load a png image. At that time, we used Qt resource files. Now let's take a closer look at Qt's r...
Hello everyone! I'm debugging the EMAC/MDIO module of AM1808 recently. I looked at the example in AM1808_StarterWare_1_00_03_03 and found that it uses the Lwip protocol stack to operate. Now I just wa...
Recently I have Keil, and it does not report errors when compiling Zhou Ligong's uCosii source program. However, I copied all the files in it to another folder, and then created a new project, added a...
I am using DEC-6416 and need to send and receive ttl level (to control other instruments).I have called to ask, and the technician said it can be done via RS232, but there is no routine provided. How ...
Due to their strong ability to spread, infectious diseases will spread and infect a large area once the source cannot be controlled, which greatly increases the difficulty of treatment and control. Fo...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
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]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[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]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[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]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
Mobile and portable
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