I want to use task to implement millisecond delay. When I want to delay, I call task to delay. But I encounter the problem of using clock. I don't know how to solve it. Which prawn can lend a hand? ? ...
I bought tq2440, which has four GPIO pins that support SPI protocol. But I don't know where to start debugging. I just started learning, and I have been browsing the Internet for many days. I have rea...
#include#include "math.h" unsigned char z,z1;//Get the step sequenceunsigned int lj1=0;//Accumulated times of motor aunsigned int lj2=0; //Accumulated times of motor bunsigned char pda,pdb;//Judge for...
I hope that friends who are interested will be careful in making it because of the 220V AC and safety issues. This darkroom AC/DC dual-purpose lamp has a contactless automatic conversion switch functi...
[font=楷体_GB2312][size=3]I was chatting with a classmate today and we talked about single-chip microcomputers. He thought single-chip microcomputers could not do much and were more suitable for small f...
In s2440.h, there is this paragraph: [color=#FF0000]#define ADC_BASE 0xB1800000 // 0x58000000[/color] typedef struct { unsigned int rADCCON; unsigned int rADCTSC; unsigned int rADCDLY; unsigned int rA...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[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]
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]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[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]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
FPGA/CPLD
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