To become a high-level electronic engineer, in addition to programming and PCB drawing, books on circuit design or other must-read books, please recommend them. Thank you...
A potentiometer is needed in the production of a voltage-regulating power supply. However, the shaft of the purchased potentiometer is too large and the existing knob cannot fit on it. So I had to use...
Every antenna has a natural resonant frequency at which maximum antenna efficiency is achieved. Placing a shunt capacitor (to lower the resonant frequency) or a shunt inductor (to raise the resonant f...
Model: BearPi-HM MicroFrom: Nanjing BearPi Intelligent Technology Co., Ltd.Quantity: 2 pieces
The BearPi-HM Micro development board is a highly integrated development board that can run the Openharmon...
I am a newcomer in the solar photovoltaic industry and only know how to use a laminator. My company's equipment: Boshuo semi-automatic laminator (button type) Equipment problem: Siemens LOGO! 230RC an...
[size=5][backcolor=rgb(222, 240, 251)]Allwinner A33 processor supports Android 4.4 and 6.0 versions[/backcolor][/size] [backcolor=rgb(222, 240, 251)]Because the default configuration in the system sou...
Recently, the Ministry of Industry and Information Technology issued the "Notice on the List of the Second Batch of Specialized, Precise and Innovative "Little Giants" Enterprises", among which Awini...[Details]
1. CAN communication CAN is the abbreviation of Controller Area Network (hereinafter referred to as CAN), which is an ISO internationally standardized serial communication protocol. The CAN protoco...[Details]
Bimetallic thermometer is a device that when the bimetallic strip senses the temperature change, the pointer can indicate the temperature on a circular scale, and the data can be read directly, which...[Details]
In some areas without electricity, installing a photovoltaic off-grid energy storage system is more economical and environmentally friendly than using oil generators to generate electricity. Compar...[Details]
With the rapid development of electric vehicles, the concept of V2G has been mentioned repeatedly. Its core idea is to use the energy storage of a large number of electric vehicles as a buffer betwee...[Details]
1 Bandwidth and rise time The bandwidth of a probe is the frequency that causes the probe response output amplitude to drop to 70.7% (-3dB). Rise time is the probe response from 10 to 90% of a step f...[Details]
Jiwei.com News (Text/Xi Nongluo) Recently, Irish patent aggregation company Solas OLED claimed that multiple Apple devices infringed its patents and filed a lawsuit in the Western District Court of ...[Details]
On January 20, the Qichacha App showed that Huawei Technologies Co., Ltd. recently disclosed the patent "Road Drivable Area Inference Method and Device", the disclosure date was January 15, and the p...[Details]
With the skyrocketing housing prices, it is becoming increasingly difficult to buy a house, so more and more people choose small-sized residential apartments as their homes. In fact, small apartmen...[Details]
It uses a 5.7-inch (120×90) single-color LCD touch screen with Chinese menu display. The nominal capacity of the syringe, the lateral force and axial pressure used in the leakage test are selected by...[Details]
Principle of FCSE Fast context switch technology (FCSE) improves system performance by modifying the virtual addresses of different processes in the system to avoid remapping of virtual addresses t...[Details]
Recently, A123, a US company specializing in the development and production of lithium batteries, and Karma Automotive completed a cooperation signing ceremony. The former will provide power batterie...[Details]
The fourth chapter of the third edition of the Huazhong University of Science and Technology's Electric Machines directly points out that winding electromotive force and magnetomotive force are sim...[Details]
Sensitivity is a very important parameter for multimeters. Generally, a multimeter with high sensitivity will have high accuracy. You need to pay more attention when purchasing a multimeter. ...[Details]
Compared with traditional types of single-chip microcomputers , AVR has made great improvements in structural system, functional components, performance and reliability in addition to realizing som...[Details]