1: How to convert an XY[i][j] table of an RGB image into grayscale 2: How to identify the center and radius of a circle in an XY[i][j] table of an RGB image 3: A picture of a target, the background da...
In the previous example, the driver of the software timer comes from a hardware interrupt with a fixed period of 1mS. In the interrupt, the driver function of the software timer is called back, a "VSF...
1. Expect It to Be Like Windows People are creatures of habit, so after years of using Windows or Mac, it's hard not to expect the same functionality you're used to every time you use your computer. I...
Infrared waterproof[/color][/url][color=#000000][url=http://www.tmcctv.com/php20/query.php?stype=2&keyword=%E6%91%84%E5%83%8F%E6%9C%BA][color=black]Camera[/color][/url][/color][color=#000000]is a vide...
I went to Anhui in mid-April for a business trip. The last time I came to Anhui was in 2014. After 6 years, Anhui has changed a lot. The sky is blue, the water is clear, the temperature is suitable, a...
I used C code to make a delay program (0.5s, 1s), and after trying for a long time, there is still an error of about 0.0002. Does anyone have a zero error program? ? Is it more accurate to use hardwar...
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 ...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[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]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[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]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[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]
Microcontroller MCU
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