Recently I was working on the SPI of STM32. After I finished setting it up, I always couldn't receive any data, so I used an oscilloscope to check the clock signal and found that the clock signal was ...
Solar charging of batteries is becoming very popular. The typical voltage of a solar cell is 0.7V. Many solar panels have 8 cells in series. Therefore, the maximum voltage that can be generated is 5.6...
[size=4][color=#0000ff]Implementing Video Surveillance[/color][/size] [size=4][color=#0000ff]Common Challenges in Camera Design and Related Solutions[/color][/size] [size=4][color=#0000ff] [/color][/s...
The pda is connected to the PC via USB and is recognized as a mobile hard disk. It reports a USB error when tested through activesync. I have just started learning wince programming and have many ques...
K-HC1 is a 24GHZ frequency band superheterodyne radar sensor, which adopts superheterodyne structure design and has better signal-to-noise ratio. It can detect the existence and speed of objects at a ...
[size=10.5pt] [font=宋体]Dasheng's TechvDM355 development board is a good Da Vinci product. I would like to recommend it to you: [/font][/size][size=10.5pt][/size] [size=10.5pt][/size] [size=10.5pt][b] ...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]