When the digital ground and analog ground are connected together through a 0 ohm resistor, the interference is very large. If they are not connected together, the circuit will not work. There is also ...
[i=s]This post was last edited by littleshrimp on 2014-7-25 16:10[/i] The code has been debugged, but it has not been connected to the LCD for actual testing. I think the logic design is OK, but the f...
I am currently using Launch Pad to write a program to get the transmission power at the load end and display it on the LCD. The display module has been completed, but I have no idea about the transmis...
Hello! I would like to ask, when writing the Bootloader program, can the program between the program reset and the program execution _c_int00 only be written in assembly? When executing _c_int00, does...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:04[/i] Does anyone know what the reason is? Is it that its pins have some current requirements?...
[i=s]This post was last edited by led2015 on 2022-5-8 13:14[/i]Suddenly I saw a new reminder, and when I opened it, I found that some replies were deleted.
[Your reply has not been reviewed and has be...
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[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]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[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]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]
This paper describes the design method of electronic multifunctional watt-hour meter, the key technology of hardware design and the software design process. Taking NEC's μPD78F0338 microcontroller ...[Details]
Preface
DS18B2 is generally used in conjunction with a single-chip microcomputer, and there are few reports on
the interface between
DSP
and DS18B20. Therefore, this article introdu...[Details]
introduction
Frequency characteristic tester
Also known as sweep frequency meter or frequency response analyzer, it uses a rectangular oscilloscope with internal scale as
a displ...[Details]
The embedded network module series products of Yingchuang Company all have a streamlined ISA expansion bus, which usually includes several address buses, 8-bit data buses, read and write control li...[Details]
PCB Design
京公网安备 11010802033920号
EEWORLD
