The company's board is, 485 communication, using stm32f103re, USART1 communication, 485 uses port GPIOA PIN11, USART_RX corresponds to GPIOA PIN10, USART_TX corresponds to GPIOA PIN9I don't know why, ...
As shown in Figure 1, the constant current source composed of an op amp and a MOS tube, adjusting the resistance of resistor R4, changes the voltage value of pin 3 of op amp U1A (not greater than 2V),...
With MIMO, systems use multiple transmit and multiple receive antennas. Looking at various MIMO techniques (specifically the receive techniques) that use different approaches to antenna and signal opt...
Program such as: INT8U F_Rotation[4]={0x02,0x04,0x08,0x10};//Forward table GPIO_Init( GPIOB, GPIO_PIN_4|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3, GPIO_MODE_OUT_PP_HIGH_SLOW ); //PB's 1234 is connected to UNL2...
As the title says, is there such a function in C language? For example, if I give 16, 2 to the fourth power is 16, and 4 is what I want, is there a function that can help me calculate 4?...
I want to ask about the microinstruction operation flow. The ADD Rd, disp instruction is a twin-length instruction. disp is the displacement. The instruction operation flow chart is as follows: 1.pc->...
Flip-chip and ball grid array (BGA) are two widely used packaging technologies in the electronics industry. Each has its own advantages and limitations, and in some cases, they can complement each ...[Details]
According to foreign media reports, BMW has just been granted a patent for a screen that could cover the entire roof. BMW hopes to transform at least a portion of the vehicle's headliner into a dis...[Details]
MQTT Ethernet I/O modules primarily collect I/O port information and transmit data over the network. In addition to being a TCP server, Ethernet I/O modules can also function as TCP clients. Furthe...[Details]
The driving mode is not unfamiliar to vehicles. According to the driving mode of the vehicle, there are front-wheel drive, rear-wheel drive and even four-wheel drive. Four-wheel drive is a major se...[Details]
Anyone who has driven a pure electric vehicle will find that it starts much faster than a fuel vehicle. So why do pure electric vehicles start so quickly?
We all know that an engine's to...[Details]
Compared to gasoline-powered vehicles, electric vehicles have a simpler structure, allowing for greater flexibility in the layout of various components. While electric and gasoline-powered vehicles...[Details]
How do the maps used by self-driving cars differ from the maps we use daily, such as those from AutoNavi and Baidu? AutoNavi and Baidu create maps for humans, while high-precision map companies cre...[Details]
On August 18, Tencent Holdings released its second-quarter 2025 results last week, with revenue of 184.504 billion yuan, a year-on-year increase of 15% and a month-on-month increase of 2%; profit a...[Details]
The suspension of a car is related to the comfort of driving, and it will also have a direct impact on the vehicle's performance indicators. Both fuel vehicles and electric vehicles use the suspens...[Details]
According to foreign media reports, in a groundbreaking study, three researchers from Chongqing University revealed a new method for estimating the state of charge (SoC) of lithium-ion batteries, w...[Details]
Gartner, a business and technology insights company, recently released its Hype Cycle for Artificial Intelligence (AI) through 2025, which shows that AI agents and AI-ready data are currently the t...[Details]
1. Fiber Optic Sensor
A fiber optic sensor consists of a light source, an input fiber, an output fiber, an optical modulator, a light detector, and a demodulator. The basic principle is that l...[Details]
Speech coding increases the amount of information carried by each speech parameter, making it highly sensitive to channel errors. In demanding or harsh narrowband wireless channel environments with...[Details]
Introduction to USB
USB (Universal Serial Bus) is used to connect peripheral devices such as keyboards, mice, printers, scanners, digital cameras, MP3 players, and USB flash drives to computer...[Details]
1 Introduction
In recent years, solar photovoltaic power generation technology has been widely adopted and rapidly developed both domestically and internationally. Building-integrated solar ph...[Details]
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