I need this for my graduation project. The topic of my graduation project is voice playback based on stm32. I want to realize DA conversion through pwm, but I don’t know how to write the program and h...
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Working voltage: 3V(2.4-3.6V)3V(2.4-3.6V)b/b/color/font/color/font/align/align Working current: 14mA 10dBm [/size][/font][/color][color=black][font=宋体][size=10.5pt]Transmitting frequency:[/size][/font...
I would like to ask you experts, the project needs to use USB 5V charging, and I am going to use BQ21040 to make a single-cell lithium battery charging protection circuit. Does the battery need an add...
[i=s]This post was last edited by dj狂人 on 2014-12-8 15:37[/i] [align=left]I recently started playing with STM32, and I always used the serial port to download programs. Later, I found two J-links in t...
Amidst the wave of intelligent automotive transformation, advanced driver assistance is gradually emerging from cutting-edge technology into the mainstream, becoming a new frontier of industry comp...[Details]
Common Mode Semiconductor has officially released its latest generation of power management ICs—the GM6506 series. This fully integrated high-frequency synchronous rectification step-down p...[Details]
With the rapid development of electric vehicles in my country, people are beginning to pay attention to the issue of radiation from electric vehicles. We all know that mobile phones emit radiation,...[Details]
Charging is a familiar process for new energy vehicles, and as a source of battery energy, charging piles are crucial. New energy vehicle charging can be divided into fast charging and slow chargin...[Details]
During daily operation of an R-type power transformer, the voltage used varies as the equipment being used adjusts. This raises the question: can the transformer change voltage at this point? The a...[Details]
introduction
In today's busy society, people experience chronic high stress, which in turn poses a significant threat to our health. Therefore, effectively relieving stress has become a pr...[Details]
Lithium-ion batteries are a key component of electric vehicles. Their high energy density enables them to store a large amount of energy in a relatively compact and lightweight package, which is cr...[Details]
Charge your electric car for just six minutes and you'll get 1,000 kilometers! This isn't just a scene from a science fiction film, but a reality made possible by Guoxuan High-Tech's Jinshi solid-s...[Details]
Fast charging is a method and means of quickly replenishing a vehicle's power. It is the core and most important part of electric vehicles. Speaking of fast charging, everyone is familiar with it. ...[Details]
The BB-Black is a development platform based on the TI AM335X processor, manufactured and sold by Embest under license from BeagleBoard.org. The BB-Black boasts superior graphics performance among ...[Details]
End-to-end autonomous driving sounds impressive. Raw data from onboard cameras, radar, lidar, and other sensors is fed directly into a large network, which then outputs steering wheel angle, accele...[Details]
A fuel-powered vehicle primarily consists of four main components: the engine, chassis, body, and electrical system. Compared to fuel-powered vehicles, a pure electric vehicle's structure primarily...[Details]
1. Direct starting of squirrel cage motor
1. Contactor self-locking and overload protection
1)
Close the power switch QS, press the start button SB2, the AC contactor KM is...[Details]
The "China Electric Vehicle Charging Equipment Development Report (2024)" was compiled by the China Electric Vehicle Charging Infrastructure Promotion Alliance and Shenzhen Shenghong Electric Co., ...[Details]
01 Introduction
The SINAMICS V20 inverter controls three-phase AC asynchronous motors. Depending on the size (frame sizes FSA to FSD), the power range of the three-phase AC 400V inverter cover...[Details]