The DS1302 clock chip is used to display time and date, and it has the function of adjusting time and date. "Week" is displayed through P0 port, "time" or "date" is displayed by common cathode LED con...
[align=center][size=5][b]Basic Part: TIMERB (Timer B)[/b][/size][/align] Here I want to complain to EEWORLD. Why can't the pictures be displayed when posting articles from the blog? I have to post fro...
I am a newbie who just learned msp430149. I used the sample program in the CD of the learning version I bought to control the nrf905 transceiver. Now there are three problems. I hope that those with e...
Recently I need a mobile phone keyboard program, and then modify it to make a keyboard input for human-computer interaction. The chip used is 430F5438. If anyone has this program, please share it with...
[i=s]This post was last edited by dada Shijie on 2016-6-12 16:13[/i] [align=left] A PON-PoE switch is a PoE switch with PON function, and can also be regarded as an ONU with PoE function. [/align][ali...
[p=30, null, left][font=宋体][size=3][color=#000000]The increase in applications that require instantaneous backup power has led to an increase in demand for supercapacitors. Supercapacitors (also known...
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[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]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[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]
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]
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]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
The fluorescent lamps and energy-saving lamps we commonly use now have greatly improved luminous efficiency compared with the earlier ordinary incandescent lamps and have been widely used. With the...[Details]