When using a 51 single-chip microcomputer and two touch buttons to simulate a PS2 computer keyboard, why does the PS2 cable heat up when connected to the computer and the single-chip microcomputer, bu...
[i=s] This post was last edited by dontium on 2015-1-23 11:48 [/i] :funk: I am not very talented. I have been helping a brother make a voice board these days, but I still can't understand the use of a...
Design and make a portable human pulse tester, which adopts red light or infrared light emission and reception technology to obtain pulse information from human fingers or earlobes, and can display th...
[i=s] This post was last edited by lzwml on 2014-11-13 10:41 [/i] Keywords I suspect 1. lds file [2] Stepping stone only copies 4K (0x1000) [3] No jump from Stepping stone to SDRAM [color=red] (I thin...
This book combines the author's many years of work experience to systematically introduce the basic design methods of FPGA/CPLD. On the basis of introducing the concept of FPGA/CPLD, it introduces the...
I recently used C# to make a desktop program to manage PDA files, but it must be supported by MicroSoft ActiveSync synchronization software. Where can I find free installation of MicroSoft ActiveSync ...
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]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[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]
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]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[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]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[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]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]