The software buffer maintained in SerialEventHandler, I don't understand why the calculation of RoomLeft is like this? What does -1 represent? The code may be long, could you please help explain it? I...
The backflow of toilet cleaner into tap water is the same as the backflow of power supply. In life, there are many cases of blue water from toilets flowing back into the tap water pipe.When Mr. Wang n...
The basic functions of inductance are filtering, oscillation, delay, trapping, etc. A more vivid way of saying it is : " passing DC and blocking AC " . In detail, it is in the circuit board, the induc...
Crystalline [1] materials are the basis of modern electronic and optoelectronic technologies. Therefore, the electronic properties of these materials, such as ( anisotropic ) electrical and photocondu...
Now I am looking at the schematic diagram of F28377D in TIcontrolsuite, using TPS62420 as power supply,[color=#000]TPS64240 first channel supplies 3.3V and second channel supplies 1.2V, the output cur...
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
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]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[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]
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]
Renesas Electronics introduces a new USB-C power solution with an innovative three-level topology.
Improve performance while reducing system size
New solution combines excel...[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]
introduction
As the concept of "low-carbon travel and green environmental protection" becomes more and more popular, bicycles have become a crucial means of transportation. Currently, urban pu...[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]
STM8S compilation error unable to allocate space for sections/blocks with a total # Welcome to use Markdown editor
I've encountered many strange issues while developing with IAR for STM8, all ...[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]
The working principle of a frequency converter is to process input fixed-frequency AC power through circuits such as rectification, filtering, and inversion, and then output AC power with variable ...[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]
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]
Embedded System
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