/* Time: 2012-6-30 Author: Cai Neng Note: This program can realize the data input of LCD12864 with ASCII code, but Chinese characters have not been solved yet! ! Modification: 2012-7-1 1:43 The input ...
Questions and answers about thyristor knowledge 1. What is the concept and structure of thyristor? Thyristor is also called thyristor. Since its introduction in the 1950s, it has developed into a larg...
I want to read the status of a button in the PC through the 25-pin serial port . How can I do this? How should I connect the external line? Also, is there any other simple way to judge the status of a...
Why can't I use external interrupt 0 to interrupt timer interrupt 0? Does the timer interrupt service function have while(1)? [/color] [color=#ff0000] [/color] [color=#ff0000] [/color] [color=#ff0000]...
IC: Integrated Circuit; ASIC: Application Specific Integrated Circuit; DSP: Digital Signal Process; FPGA: Field Programmable Array Question: What is the essential connection and difference between the...
How to control the speed of data collection and data processing (assuming I use the UCOS2 system)? Do I need to use semaphores? Is it the data structure of data stacking and popping? And how do I know...
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
Reliability and real-time performance are the basic requirements for control systems. Initially, motor control used analog circuits with discrete components. With the advancement of electronic tech...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
Improving the coordination of material handling and internal transportation between departments in modern factories is an important measure to achieve full automation of production. Traditional mat...[Details]