I need answers for my senior year graduation project. I currently have an ARM9 2440 board and want to find a fingerprint collection device that matches it. I don't know what kind of fingerprint collec...
My isd1790 is connected according to the instructions but it does not work properly and the LED is flashing. Why? Can an expert please tell me? [img]http://download.ourdev.cn/bbs_upload489681/files_23...
After reading the article "LM3S8962 controls hardware operation through webpage" posted by jiao430, I think most people still don't know why this happens. jiao430 has posted his software package for e...
First of all, a senior programmer cannot be trained by reading a few books and writing tens of thousands of lines of code. I am more concerned about the low-level environment, that is, the actual work...
[color=rgb(0, 0, 0)][color=rgb(68, 68, 68)][backcolor=rgb(255, 255, 255)][color=rgb(68, 68, 68)][backcolor=rgb(255, 255, 255)] The configuration of whether the port is pulled up in the InitGpio() func...
I use ir2104 to amplify the pwm voltage to 10V, and drive the mosfette irf540n, but when the voltage provided to the boost is 2v, the voltage regulator will stabilize the current. The circuit is a lar...
Abstract:
With the increasing complexity of smart vehicle electrical and electronic architectures, the full lifecycle management of vehicle electronic control components faces multiple challe...[Details]
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
1 Introduction
In the mid-1960s, American scientist Maas conducted extensive experimental research on the charging process of open-cell batteries and proposed an acceptable charging curve for ...[Details]
When discussing autonomous driving technology, there are often two extremes: on the one hand, there's the vision of "fully autonomous driving," while on the other, there's concern about potential s...[Details]
Electric vehicles are now widespread, but they've brought with them a host of problems, the most prominent of which is charging. Small electric vehicles (EVs) are a new form of transportation in a ...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
In the field of intelligent driving, regulations are becoming increasingly stringent, and the technical threshold continues to rise. Especially after the traffic accident in March 2025, the Ministr...[Details]
In daily life, when we purchase a transformer, we are faced with the installation and wiring procedures. Generally speaking, large transformers such as power transformers are equipped with speciali...[Details]
Plug-in hybrid vehicles (PHEVs) utilize two powertrains. Their pure electric range is typically inferior to that of pure electric vehicles, often reaching less than half that. Currently, mainstream...[Details]
Compiled from semiengineering
The industry is increasingly concerned about power consumption in AI, but there are no simple solutions. This requires a deep understanding of software and ...[Details]
With the continuous development of ultrasonic technology, ultrasound has been widely used in fields such as inspection, cleaning, welding, and medical treatment, and has even found its way into tex...[Details]
As my country's industrialization continues to improve, environmental pollution is also facing tremendous pressure. In recent years, national environmental protection policies have become increasin...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
According to foreign media reports, German chipmaker Infineon has recently completed the acquisition of Marvell Technology's automotive Ethernet business for a total transaction amount of US$2.5 bi...[Details]