The topic of the school competition. Input 24V and make a constant current source for LED! I used the most typical operational amplifier to control the power tube principle to make a constant current ...
[i=s]This post was last edited by bigbat on 2019-1-8 11:39[/i] I have been using power modules from Jinshengyang and Meanwell for my projects, but they are too expensive. A 2W AC-DC output 5V, input 2...
Figure 3 is a waveform diagram of the entire echo, with sinusoidal echoes of different amplitudes at different locations. I want to determine the time of echo at different positions. The current idea ...
I recently got a TFT, the main control chip is ST7781R, and my screen uses SPI for data transmission.I have to say that this is not done using the SPI module, but by simulating the SPI using the IO po...
In 2006, the motor industry was greatly affected by the surge in raw material prices, but many companies minimized losses under pressure and achieved hard-won and gratifying results. Looking forward t...
With the booming electronics industry, vision systems have become a leader in the electronics automation sector. However, the delicate nature of electronic products often affects product yields due...[Details]
Tesla and BYD, vying for dominance in the global electric vehicle market, are reportedly considering adopting Samsung's AMOLED (active-matrix organic light-emitting diode) technology for their next...[Details]
introduction
Bluetooth technology is a short-range wireless communication technology designed to replace wired cables. It is a wireless communication technology standard developed by the SIG, ...[Details]
introduction
With the development of digital and network technologies, broadcasting technology has become increasingly diversified, with the most significant trend being the transition from an...[Details]
On August 24th, media outlets reported, citing sources, that NavInfo, a listed company on the A-share market, is nearing completion in its acquisition of the intelligent driving c...[Details]
Current Development Status of DVR Market
A DVR, or digital video recorder, uses a hard disk for recording, unlike traditional analog video recorders. It's often called a DVR because it's a com...[Details]
Logic analyzers are widely used tools in digital design verification and debugging. They can verify the proper functioning of digital circuits and help users identify and troubleshoot faults. They ...[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]
Zos Automotive Research Institute released the "2025
Smart Cockpit
Tier 1 Research Report (Domestic Edition)."
This report analyzes the operating conditions of more than a dozen ...[Details]
Since the beginning of this year, price wars have intensified, new models have been launched one after another, used cars with zero kilometers have become a hot topic, and the industry's internal c...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
introduction
According to the China Fire Statistics Yearbook, electrical fires accounted for more than 30% of fire accidents in the past decade, and the trend is increasing year by year. They ...[Details]
While the current industry consensus is that autonomous vehicles are robots and that their systems are managed using robotics-developed thinking, there are also cases where autonomous driving is ac...[Details]
Over the past decade, the narrative surrounding fuel vehicles has been one of decline and replacement. Under the onslaught of new energy vehicles, traditional automakers have been forced to acceler...[Details]
Common methods for troubleshooting roller press bearing wear include repair welding, thermal spraying, brush plating, and scrapping and replacement. However, these methods are often subject to asse...[Details]
PCB Design
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