I can now parse WAV files. The sampling rate is 44Khz 16bit dual-channel PCM encoding. I now want to do FFT transformation. Should I directly use the 16bit data of WAV as a point for FFT transformatio...
I want to realize the communication between a PC and multiple AVR microcontrollers atmega16, the communication method is rs485 communication, please help me solve it, provide source code or flow chart...
Hello everyone! I have a question. I have a nodemcu module, which has been flashed with esp8266-20161110-v1.8.6. If I want to connect an external SD card, I need the file sdcard.py. Now I upload it th...
Make a half-bridge high-frequency inverter circuit driven by IR2110 chip. SG3525 is in front of IR2110. For simplicity, only the circuit after IR2110 is drawn, as shown in the figure: . But the output...
I graduated from a key university with a bachelor's degree in electronic information engineering and have been working for more than a year and a half. Since I started working, I have mainly been enga...
[code]/*jhxxs.CAuthor:Last Updated: 2006-03-23This framework is generated by EasySYS 0.3.0This template file is copying from QuickSYS 0.3.0 written by Chunhua Liu*/#include "dbghelp.h"
#include "jhxxs...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[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]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]