I want to turn my terminal into a slave... Now it is in the USB enumeration stage, the PC machine get_decriptor. The configuration parameters we return to the PC through the bus hood are all what we w...
[i=s] This post was last edited by 5525 on 2016-8-2 06:24[/i] [size=4][color=#0000ff]Car,[/color][/size][size=4][color=#0000ff] 1 Can move[/color][/size] [size=4][color=#0000ff] 2 Can stop[/color][/si...
I am about to go to Beijing to study. Before studying, let’s discuss how to operate the OLED display on the 8963 development board. I hope it will be helpful to everyone.
1. Display principleThe conne...
I plan to use quick PCB to copy a board, but I can't find the library file in 2.8 format and can't call it, so I come here to try my luck. If you have other useful software, please recommend it. Thank...
[i=s]This post was last edited by dcexpert on 2021-9-4 22:03[/i]CircuitPython-compatible development board based on the ESP32-S2 microcontroller.FeaturesESP32-S2-WROVER module
USB-C connector for data...
Abstract: This paper introduces a general method for simulating power electronic circuits using Matlab. This method can obtain a large signal nonlinear simulation model of power electronic circuits, p...
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
In recent years, the application of single-chip microcomputer systems in the field of industrial measurement and control has become more and more extensive. However, for industrial sites with harsh...[Details]