[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:50[/i] [font=微软雅黑] A great man once said that the bolder the people, the more productive the land. Today, technology has become unrelia...
I used the S3C2440 development board to collect sound signals, but the volume of the recorded sound was very low. I wanted to increase the volume through software programming, and found some methods o...
For example, a square wave with a variation of 0~1V is added to a 5V DC voltage to become a rectangular wave with a variation of 5~6V. It is required to be undistorted (do not smooth the bends of the ...
Whether you are a novice or an expert, we welcome everyone's participation. [size=3]1. Our preliminary plan is as follows: [url=https://bbs.eeworld.com.cn/thread-353360-1-1.html]https://bbs.eeworld.co...
Use P2 port as the read and write data port, P3.0--P3.2 connect RS, RW, E. Do not use busy check, but use delay long enough to satisfy the writing instruction and data. ＃i nclude＃i nclude "intrins.h" ...
Dear brothers and sisters, I don't know how to use many instructions. I have a PLC on hand and need to program it. The control method is that the four points of COM1 are common, and the eight points o...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[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]
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]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[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]
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]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems (GP...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
Applying fieldbus technology on new beer production lines is the first choice for large beer companies with strong management level and technical strength. Guangzhou Zhujiang Beer Group Co., Ltd. i...[Details]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]
Mobile and portable
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