[color=#454545][font=tahoma, helvetica, arial] The emergency light introduced in this article is usually connected to the mains and is in a fully charged standby state. Only when the mains suddenly fa...
Algorithm: The basic idea, method and steps for computer problem solving. Algorithm description: It is a description of the methods and steps taken to solve a problem or complete a task, including wh...
[i=s]This post was last edited by wolf11111 on 2014-9-16 12:20[/i] [align=left][font=宋体]Since I started learning microcontrollers, I have been exposed to a lot of Atmel products, such as AT89s52, AT89...
There is a voip example in the Public directory of Wince 6.0. I want to use VS2005 to build a project to compile this example. How can I do this? Please help me, brothers who know how to do this. It's...
[i=s]This post was last edited by le062 on 2015-10-27 00:20[/i] A few months ago, I bought an LPC-link2 on impulse, but I found it was a rip-off. The interfaces on the board were all 1.27 pitch, and I...
The following circuit amplifier has no output.
R1 10k, R2 47K, PT is a photoresistor, the current increases with the light intensity. The amplifier circuit is as shown in the picture, but the amplifie...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
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]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[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]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
DIY/Open Source Hardware
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