This book is divided into 14 chapters, which comprehensively expounds the design and drive control ideas of modern permanent magnet AC motor systems. Starting from the basic characteristics of permane...
There are several 0805 SMD LEDs on the board, flashing. If you listen carefully, you can see that the LEDs make sounds when they are on.It's like the sound of a buzzer that's been shrunk by n times. W...
I want to run an Android project on a real device, but the following picture appears:There is no mobile phone logo on it, and the minimum API is 18. Is it because my mobile phone version does not supp...
Hardware modification expert Sebastian Staacks has accomplished the seemingly impossible: using a basic 32-gigabyte Game Boy cartridge and an ESP8266 microcontroller, he has given the Game Boy the abi...
[align=center][b][size=3]Dear, how much time do you spend on the subway every day? [/size][/b][/align][size=3][align=center][b]I always feel that taking the subway is a waste of time[/b][/align][/size...
void ReceiveAck(void) {unsigned char i = 0;SCL_1;Delay(5);DIR_IN;while ((SDA_IN == 0x01 /*sda==1*/)(i255)/*convenient for debugging, can be omitted*/){i++;}DIR_OUT;SCL_0;Delay(5); }
This is a subrouti...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[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]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[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]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]