Is there any protection or level conversion required between the computer parallel port and STC89C51? If so, is it the same as the MAX232 in the serial port? Is it just protection or does it need leve...
[i=s]This post was last edited by dontium on 2015-1-23 11:40[/i] In the "I Love Analog - TI Analog Blog In-depth Reading Season" organized by EEWORLD, I saw an article about precision rectification "S...
At present, the country has launched the 3.5GHz fixed wireless access system. This paper discusses the structure of the 3.5GHz fixed wireless access system and analyzes the technologies involved in th...
Process: A port test program, when the port is successfully opened, a MessageBox will display "Port opened successfully" and process the received data. Result: When I click the "OK" button on the info...
From being a global leader to losing the market, Korean battery manufacturers have always wanted to regain the lost market and dignity, but facing Chinese battery manufacturers represented by CAT...[Details]
On August 24th, Jin Yuzhi, CEO of Huawei's Intelligent Automotive Solutions BU, announced the first automotive application of Huawei Qiankun's unique Limera technology. This technology eliminates t...[Details]
1. Project Overview
1.1 Introduction
Currently, most music files are saved in MP3 format, a lossy audio compression format that cannot perfectly reproduce the original music. With the exp...[Details]
To understand why car engines need gearboxes, we must first understand the characteristics of different types of engines. An engine refers to a machine that can convert a form of energy into kineti...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
On August 22, the National Energy Administration released the latest data, showing that by the end of July 2025, China's total number of electric vehicle charging infrastructure will reach 16.696 m...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
Teletrac Navman has launched the Multi IQ dashcam, a cloud-based solution designed for large commercial vehicle operators. It connects up to five cameras to cover the vehicle's interior, sides, and...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
The composition of the water heater
The water heater itself is divided into the following parts:
1. Water tank.
This is where the water heater is filled with water and where the wate...[Details]
With the development of vehicle technology, there are more types of cars. Cars are divided into hybrid, pure electric vehicles, and fuel vehicles. For hybrid cars, they are divided into plug-in hyb...[Details]
This series of articles aims to help readers have a brief understanding of the Hongke KPA Automation system and to quickly get started with MoDK, including: an introduction to Hongke KPA Automation...[Details]
A Beijing chemical project utilizes a distributed control system (DCS). The master control system primarily uses the Modbus protocol, while the remote field devices utilize the PROFIBUS-DP protocol...[Details]
Since entering the electronic components industry, I've learned that electronic components come in different packaging types. Some people have argued that different types of components may look the...[Details]
Embedded System
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