The postponement of the start of school and the start of online classes are a nightmare for those students who have bad habits and poor self-control. After all, it is inevitable that they have not yet...
[i=s]This post was last edited by DDZZ669 on 2018-9-22 20:23[/i] The previous post [url=https://bbs.eeworld.com.cn/thread-926678-1-1.html]【Raspberry Pi 3B+ Review】Light up LED[/url] introduced how to ...
The underlying logic of software engineering design is 0 and 1, which includes three actions: calculation, judgment, and execution. The whole process is called an algorithm....
An urgent question for everyone: My board is a pxa270 board, and the BSP is wince 5.0 mainstone. There is a Bluetooth serial port on the board, which is used as a debug serial port by default. Now I w...
Author: Wang Huidong, member of Yibo Technology Expressway MediaZhao Erhu kept saying: "Stencil files (chips) are used to make steel meshes and can only be provided to PCBA factories. PCB board factor...
Today's portable medical devices allow patients to diagnose and treat themselves, move around freely, and even use the devices when they are out and about. To achieve the "easy to carry" feature, po...[Details]
The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
Overview
PS pressure sensor is an electronic pressure sensor made of semiconductor diaphragm structure. It can convert the physical quantity of air pressure into electrical signals and detect ...[Details]
The 21st century is the century of life and health. The rapid progress of life sciences continues to promote human understanding of their own health and diseases. How to develop innovative medical ele...[Details]
TD-SCDMA terminal conformance test includes three types of tests: RF index test (reference standard: 3GPPTS34.122), protocol signaling test (reference standard: 3GPPTS34.123) and other tests (refer...[Details]
The overcurrent and overheating coordinated protection technology implemented by polymer positive temperature coefficient devices (PPTC) can protect motors, controllers and electronic components in...[Details]
introduction
When we run or ride a bicycle, the vibration of our arms often makes the images displayed on the electronic devices in our hands look blurry. Long-term viewing (such as watchi...[Details]
IPTV (Internet Protocol TV or Interactive Personal TV), also known as interactive network television, is a new technology that uses broadband network infrastructure, takes home televisions or comp...[Details]
Two doctors in Chennai, a major technology city in southern India, have developed a generator installed in the high heels. The generator generates weak electricity through the vibration and pressure o...[Details]
Industrial control
often requires multi-channel fault detection and multi-channel command control (this multi-task setting is very common). A single CPU chip is difficult to directly complete ...[Details]
1. Basic circuit characteristics of power amplifier
The basic circuit of the complementary symmetrical OTL power amplifier is shown in Figure ①. Among them: C1 is the signal input coupling ele...[Details]
Abstract:
A single pulse secondary radar reply processor implemented with EPLD. Its main functions include: reply frame pulse detection, reply information decoding, assembling reply inf...[Details]
0Introduction
Microactuators, as driving components of microelectromechanical systems (MEMS), have been widely studied. In recent years, actuators made of hard magnetic and soft magnetic m...[Details]
Although ERP is management software for enterprises, it still has applicable value for the management of hospital finance, human resources, logistics, assets, etc.
At present, the traditional ...[Details]
Set-top boxes often have some faults during the use process. This is a problem commonly reported by users. Due to the lack of professional knowledge and skills, users are often at a loss when probl...[Details]
Talking
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