The fourth step is to select the transformer and passive components to match the load impedance. The transformer and the R and L component values must be matched to the load and to create a new AAF th...
What I am learning now include: operating system, microcomputer principle, single chip microcomputer, database introduction, graphics, algorithm design and analysis, software engineering, I have learn...
Requirements: A paper of about 15,000 words with a circuit diagram and principle attached! ! ! ! There is a bonus: lol Bonus 50 yuan! ! ! ! Urgent problem to be solved~ ! ! ! ! !...
[i=s]This post was last edited by dontium on 2015-1-23 12:46[/i] Suresh will introduce you to National Semiconductor's latest LM965xx 8-channel portable ultrasound transmit/receive chipset, which incl...
[i=s]This post was last edited by Qiangzi00001 on 2015-1-6 01:08[/i] [align=left][font=宋体] I worked on this project for a month or so, and there was a time when I wanted to give up. But I think since ...
[i=s]This post was last edited by pz_cloud on 2022-3-13 19:25[/i][media=x,500,375]http://v.youku.com/v_show/id_XMTQxODI0OTcxNg==.html[/media][media=x,500,375]http://v.youku.com/v_show/id_XMTQyMzkzODUw...
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[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]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[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]
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]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[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]