I'm making an electronic keyboard recently, using a 51 chip, but I can't tune the corresponding tone. Please help me, is there a problem with the circuit or the program? My idea is to generate a squar...
The microcontroller is PIC16F688. I use the interrupt function void interrupt isr (vvoid) {...} and it stops in the interrupt after running, but does not enter the above interrupt function. Is the for...
Author: Liang Hongbing Published: 2006.07.18 15:10:01 Source: CCID Network - China Electronics News 1[ Post a comment ] [Font size: Large, Medium , Small] [ Print ] [ Enter the blog ] [ Enter the foru...
[align=left][color=#000000]The vast majority of electronic components, such as resistors, capacitors, and speakers, are finished products produced by the production department according to the specifi...
I have been working overtime these two days. Yesterday, I was upside down. I occasionally browse the forums and found that there is a lot of trouble in the forums these two days...I just saw eric_wang...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:56[/i]The password switch shown in the figure is composed of 10 keys, including 6 valid keys and 4 pseudo code keys. Since the valid ke...
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
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]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[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]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[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]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[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]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
1 Introduction
The coke oven gas recovery system is mainly composed of a gas tank and a pressure reducing station. While realizing the recycling and reuse of coke oven gas, it also plays an imp...[Details]
Embedded System
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