Dear experts, I have recently become curious about wireless security and have the following questions. I would like to ask you to answer them, haha! 1. Does the current RFID security mainly rely on me...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:09[/i] The competition is coming soon, so I would like to share some good questions for you to practice with....
[table=98%] [tr][td]What is the LED display control card? The LED display control card is the core component of the LED graphic display screen. It is responsible for receiving the screen display infor...
[i=s] This post was last edited by yhye2world on 2017-11-12 11:15 [/i] [size=14px] Ask: [/size] [size=14px] How to know what the RS485 differential signal (between AB) is? [/size] [size=14px] Thank yo...
[i=s]This post was last edited by dcexpert on 2017-3-30 10:44[/i] The previous part introduces the preparations for using micropython. All the following operations need to be performed under REPL. The...
VHDL is widely used in programming PLDs such as CPLD, FPGA and etc. Introducing VHDL to Diploma students is an advantage. Since VHDL is a hardware description language, teaching and learning process m...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[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]
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]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[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]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[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]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
RF/Wirelessly
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