How do you determine the phase of voltage and current?Output sine wave 0-50V, maximum output current within 25mA, output power 1.5W. Voltage signal VF0, current signal IF0, when VF0 and IF0 are in pha...
I would like to ask, if 4*16bit DDR3, front and back mounting layout, using 6-layer PCB design, what should the reasonable stacking structure be? Is there any risk in 6 layers? Thank you....
This application report describes pairing the cost-effective SimpleLink ZigBee CC2530 wireless networking MCU with the SimpleLink CC2592 extender to improve receiver sensitivity, increase the total li...
Recently, I have been learning about BLDC motor control and ST's FOC control. I was thinking about drawing a board myself, making an electric car controller, and using the FOC algorithm, so that I can...
[i=s]This post was last edited by dcexpert on 2021-2-4 08:58[/i]Get Started with MicroPython on Raspberry Pi Picoor: https://www.micropython.org.cn/pan/inde ... d=AFZriR46 Extract password: JGucx
Rasp...
[i=s]This post was last edited by dcexpert on 2022-8-2 09:36[/i]The information of Beetle ESP32-C3 development board can be found on the DFRobot website at the following link: https://wiki.dfrobot.com...
1. Introduction
The touch screen is a new type of programmable control terminal and a new generation of high-tech human-machine interface products. It is suitable for on-site control, with...[Details]
Abstract: A design scheme of intelligent UHV tester system based on DSP and LabVIEW is proposed. DSP is used as the core of the on-site intelligent UHV tester system, LabVIEW is used as the develop...[Details]
Many people don't know that in the daily production process of power transformers, the choice of materials determines the quality of the transformer. We should not only look at the low price, but i...[Details]
Recently, overseas media reported that Spanish parts supplier Grupo Antolin and mobile travel and data-driven service provider Net4Things signed a strategic agreement to jointly develop connected car...[Details]
1 Introduction
Traditional AC/DC circuits use uncontrolled rectifier circuits and electrolytic capacitor filtering to obtain a DC voltage with a smooth waveform. Due to the use of nonlinear...[Details]
Many people have discovered that frequency converters can damage motors. For example, in the past two years, users of a water pump factory have frequently reported that water pumps were damaged dur...[Details]
On July 27, the National Summit Forum on Specialized, Precise and Innovative Small and Medium Enterprises was held in Changsha, and Liu He, member of the Political Bureau of the CPC Central Committee...[Details]
Before satellites, the most reliable way to get from point A to point B without radio signals was to use an inertial guidance system. But these are very bulky and are generally only used by civilians...[Details]
Generally, there are two crystal oscillator access ports, OSCin and OSCout, on the single-chip microcomputer. We can use a passive crystal oscillator plus a starting capacitor to start the crystal osc...[Details]
On October 26, Shanghai Electric Co., Ltd. disclosed its third-quarter report. The company achieved operating income of 5.411 billion yuan in the first three quarters of 2021, a year-on-year decrease...[Details]
On May 15, the Jiangsu Jintan Salt Cavern Compressed Air Energy Storage National Experimental Demonstration Project, the world's first non-regenerative compressed air energy storage power s...[Details]
20 years ago, when other car companies were focusing on traditional automobile technology, Toyota had already started researching and improving hybrid technology. In 1997, Toyota launched the first...[Details]
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Chengdu - OPPO today released the new generation of annual imaging flagship Find X8 series, which adopts a new generation of ultra-thin straight screen...[Details]
pc:Centos5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
LCD Driver
How to write LCD driver?
1. Allocate an fb_info structure: fr...[Details]