[i=s] This post was last edited by dontium on 2015-1-23 12:55 [/i] Dear experts and moderators, I use MSP430F149 to perform AD sampling. The measured numbers are very different. What is the reason? Fo...
I have a Loongson 1 development board based on Haishan dev3210. When porting it to linux-2.6.22.6, I encountered the problem that the serial port could not be initialized normally, resulting in the in...
My graduation project is to make a power supply with an output of positive and negative 12V and an output current greater than 1.5A. I chose lm2576, which can get a positive 12V output. However, pin 2...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i] [color=black]Author: Emma Lu, Jacky Deng Guiyu, Shantou, is a place of mixed joy and sorrow. Since the early 1990s, electronic w...
[size=16px][b]Does anyone know what tools and languages are used to develop the operating systems of electronic products such as MP3, digital cameras, and projectors? If I want to learn program develo...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
Analog electronics
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