The phase-frequency characteristic range drawn on this graph is 360~90, but I want to set it to 0~-270. How can I change it in the program? The following is the program: clear; s=tf('s'); U1=35;R=2.45...
During software debugging, I found that one computer can be connected through the network port, but it cannot be connected to two computers at the same time. How can I set it up in the microcontroller...
My laptop is a netbook, but I can't play some games online because it's laggy, so I thought of getting a desktop computer. I wonder if I can get an I3 with a discrete graphics card for around 2500? I ...
Freescale Semiconductor is expanding its high-performance S12X 16-bit microprocessor (MCU) product family to provide designers of automotive body and multi-tasking applications with enhanced system in...
I want to implement a software that stops the battery from working when the battery voltage is lower than a certain value. I tried two ways and both failed. 1》Connect a 10K resistor to the power suppl...
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
With the development and application of liquid crystal display technology, more and more developers want to use liquid crystal screens to display Chinese characters in the instruments and equipment th...[Details]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and economic o...[Details]
Infineon's ICL8001G adopts a single-stage flyback and PFC controller with quasi-resonant operation mode, with a power factor greater than 98%, LED driver efficiency up to 90%, an operating voltage up ...[Details]
LED (Light-emitting diode) is widely used in indication, display and other fields due to its advantages such as long life and low energy consumption. Reliability, stability and high light output ar...[Details]
Beijing time, July 2 morning news, Google last week released its own brand tablet computer Nexus 7, equipped with its latest operating system Android 4.1 "Jelly Bean". But market research firm Ovum sa...[Details]
1. Introduction
With the development of electromechanical technology, electronic technology has also penetrated into the automobile braking system, and a new technology called "electronic brak...[Details]
0 Introduction
In daily life, single-chip microcomputers have been used more and more widely. It is small in size, light in weight, highly integrated, has strong anti-interference ability, and...[Details]
Power technology
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