I use a Siemens mc35i gprs modem and connect it to a PC. After sending the AT command to it through the serial debugging assistant, when sending atd*99***1#, it returns to connect first, and then ther...
[i=s]This post was last edited by Youayou on 2020-4-9 15:03[/i]Hardware equipment : Omron encoder, 100p/r, translation stage (xy), stepper motor, data acquisition card. The screw lead is 5mm, and the ...
PWM is widely used in microcontrollers. Its basic principle is very simple, but its meaning is often not exactly the same when applied in different occasions. Here I will first introduce the basic con...
[url=http://www.deyisupport.com/blog/b/thinkinnovative/archive/2015/06/23/51972.aspx]Technology Frontier: Let's talk about packaging[/url] [align=left][color=#000]Abstract: The production process of s...
1. How many topics did you publish in EEWORLD in 2013? (Please click on My Topic - [/size][/font][/color][color=#06699][font=微软雅黑][size=3][url=https://bbs.eeworld.com.cn/my.php?item=threads][b]My Topi...
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]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[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]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[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]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
Some people believe that hybrid vehicles are just a transitional product, and the ultimate goal of developing new energy vehicles is electric vehicles. Therefore, China should skip hybrid vehicles ...[Details]
LED (Light-emitting diode) is widely used in indication, display and other fields due to its advantages such as long life and low energy consumption. Reliability, stability and high light output ar...[Details]
Liquid crystal displays are increasingly widely used in pocket instruments and low-power application systems due to their advantages of low power consumption, small size, rich display content, and ...[Details]
1. Introduction
According to the definition of the International Electrotechnical Commission (IEC) and the American Instrument Society (ISA), fieldbus is a digital, two-way transmission, multi...[Details]
Embedded System
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