[i=s] This post was last edited by miaozhuang156 on 2016-4-9 16:48 [/i] [font=宋体][size=3][b][color=#ff00ff] First of all, I sincerely wish eeworld a happy 10th anniversary [/color][/b][/size][/font]{:...
Does anyone have a solution for the 4-channel signal generator in 2013? The main problem is the 3rd harmonic and the 9V peak-to-peak output (10V power supply, 324 op amp)...
Preface: After listening to the many suggestions of Grandpa and Chun Ge, I carefully considered and made the following ideas and guidelines: 1. The reason for this DIY power supply is to respond to Ch...
There is a project for the electronic control board of a testing machine. We are going to realize its electronic part and host computer part. Someone has already done the electronic part. We are now l...
After creating a new project, you cannot start programming immediately. You need to set and modify some files according to your own needs. For example, if you need to use interrupts, you need to copy ...
[p=26, null, left][color=#000][font=Arial]This article is a follow-up to the previous one. [/font][/color][/p][p=26, null, left][color=#000][font=Arial] The core code is as follows (part omitted): [/f...
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[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]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
High specific energy lithium/thionyl chloride (Li/SOCl2) batteries are widely used in multi-functional intelligent meters (such as smart meters, water meters, etc.) as real-time clocks and memory b...[Details]
The Portland Group, a leading provider of graphics processing units (GPUs) and graphics accelerators, has announced the availability of its PGI Accelerator™ Fortran and C compilers that support the...[Details]
introduction
This paper mainly studies the problem of voltage sag control. For sensitive load equipment with rectifier inverter structure, this paper proposes a DC dynamic voltage restorer (Dy...[Details]
During the operation of electronic equipment,
memory
failure or failure will not only lead to economic losses, but also may lead to catastrophic consequences. Therefore, memory testing has ...[Details]
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