[i=s]This post was last edited by ylyfxzsx on 2019-5-29 21:02[/i] It is redundant and unused, in good working order, 90% new. When you buy an oscilloscope, you will get a 4.5-digit Goodwell desktop mu...
[align=left]Repost a news[/align][align=left]Since the launch of Apple Pay, countless people with lofty ideals have tried to crack it. Although hackers have been trying to slap Apple in the face day a...
This is the LCR meter designed and won the first prize in TI's low power consumption activity in the forum. Today I want to study the principle, but I can't figure it out due to my limited level. The ...
[i=s]This post was last edited by spartacus_epic on 2018-12-14 20:42[/i] I am a rookie, and I am using MSP430F1232 to develop a low-power wireless transmission project. There is always a problem when ...
At the invitation of the beautiful moderator, I am back to present this humble work. Continuing the topic of [url=https://bbs.eeworld.com.cn/thread-87121-1-1.html]Introduction to Microwave Monolithic ...
A few days ago, when SOSO told me that some friends wanted to continue our oscilloscope DIY and had donated money, I was really moved. This is a true enthusiast. In fact, when we DIYed the oscilloscop...
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
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]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]