The high-frequency RFID frequency is 13.56MHz. Taking the most commonly used RC500 as an example, the RF output has two pins TX1 and TX2, and one receiving pin RX. The other is the RX bias voltage VMI...
[b]Sine wave oscillation circuit[/b] [b](1) Use the Wien bridge to make a sine wave oscillation circuit with an amplitude stabilization link. [/b] [b](2) The oscillation frequency can be adjusted with...
The design schematics and PCB of the quadcopter main control board are here. I hope it can be a reference for friends who are working in this field. [url]https://download.eeworld.com.cn/detail/%E5%8F%...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:30[/i] Hello all the masters, will Lingyang still sponsor the national competition this year?...
[i=s]This post was last edited by viphotman on 2018-1-27 15:14[/i] 1 Previously, the RSSI value was not processed in the App. Now, after a simple processing of the RSSI reading interval and value, the...
Author: Shi Lei [align=left] Today, I will share some tips on Allegro PCB Design software, and some surprising moves. Just as Sun Tzu's Art of War says: In any battle, the right way is used to win, an...
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]
Introduction to the principles of speech recognition technology
Automatic speech recognition (ASR) technology aims to enable computers to understand human speech and extract the textual inform...[Details]
Recently,
Xpeng Motors and Xinlian Integrated Circuit jointly announced the mass production of China's first hybrid silicon carbide product.
Designed and developed by Xpeng Motors and joint...[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]
introduction
According to the China Fire Statistics Yearbook, electrical fires accounted for more than 30% of fire accidents in the past decade, and the trend is increasing year by year. They ...[Details]
Electric vehicles are powered by electricity, and charging is a device that supplements the vehicle's energy source. It is common to need to recharge the vehicle when driving. But can you charge th...[Details]
The 2025 China International Automotive Testing Exhibition will be held at the Shanghai World Expo Exhibition and Convention Center from August 27 to 29, 2025.
Clacton Seafront, UK, ...[Details]
Chinese characters are extensive and profound, and there are many different names for ESD tubes. How many of them do you know?
As far as I know, ESD diodes are currently known as ESD p...[Details]
On August 22, the Wall Street Journal reported on the 21st local time that the new US government does not plan to acquire equity in semiconductor wafer foundry giant TSMC and Micron, one of the thr...[Details]
MQTT Ethernet I/O modules primarily collect I/O port information and transmit data over the network. In addition to being a TCP server, Ethernet I/O modules can also function as TCP clients. Furthe...[Details]
We often hear about the precautions for using pure electric vehicles in winter, and many owners even develop relevant strategies, such as adopting a "charge as you go" principle for their vehicles,...[Details]
The driving mode is not unfamiliar to vehicles. According to the driving mode of the vehicle, there are front-wheel drive, rear-wheel drive and even four-wheel drive. Four-wheel drive is a major se...[Details]
Speaking of the problem of vehicle spontaneous combustion, whether it is a pure electric vehicle or a fuel vehicle, there will be incidents of spontaneous combustion. For the same spontaneous combu...[Details]
Electric vehicles are composed of three main components: electric motors, electric motors, and electric vehicles. Maintenance is much simpler than for gasoline-powered vehicles. Maintenance for ele...[Details]
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