The 9V to 5V power supply (7805) I made myself has a voltage of 5V when unloaded. It is also 5V after adding a microcontroller. Then, after adding a 74LS164 and a digital tube, the voltage of the micr...
I have been in love with SD cards for a long time. The reasons are obvious. They are easy to control, have large capacity, fast speed, and are cheap. But we cannot always use them as Flash. It is bori...
I want to know, if the IO port is first set to output high level and then set to input pin, will the level state on the pin still be high level? Please give me some advice, thank you....
[i=s]This post was last edited by hpzax on 2015-12-30 16:34[/i] 2015 Year-end Summary Spring has gone and autumn has come, and another year has passed in the busyness. Looking back on this year, it wa...
On August 23rd, Geely's subsidiary, Jiyao Tongxing, announced it has the industry's largest advanced production capacity for tandao
batteries
, with eight production bases across China. Jiy...[Details]
When you are happily watching NBA or football, your wife asks you to turn off the lights in the bedroom. Would you be depressed? Of course, unless you are not afraid of your wife.
Now you are ...[Details]
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[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]
Definition of interactive projection system:
Interactive projection systems, also known as multimedia interactive projection, are available in floor, wall, and tabletop interactive projection....[Details]
For autonomous vehicles to safely navigate the road, they must identify far more complex objects than just traffic lights, pedestrians, and other familiar objects. Among these obstacles is a crucia...[Details]
Recently, Joyson Electronics has made positive progress in the core technology research and development of the robot's "brain and brain" and key components, and launched the industry's first integr...[Details]
The fracture mechanism is stress concentration, which typically occurs at the capacitor lead pins or pad connection points, as shown in the figure. Under vibration, the capacitor lead pins and pad ...[Details]
Batteries are a core component of new energy vehicles, accounting for over 40% of the total cost. This is also the area where automakers are most willing to tamper with costs. Since 2021, domestic ...[Details]
With the growth of the Internet of Things (IoT), wearable, and portable devices, consumers are growing weary of cluttered cables and the need for frequent battery recharges. The benefits of wireles...[Details]
For the average person, an electricity meter is a monthly bill. For beginners, it's a collection of components and parts. For experienced meter engineers, however, it's a complex and complex proces...[Details]
The power transmission system between a car's engine and drive wheels is called its drivetrain. It ensures the necessary traction and speed under various driving conditions, and coordinates these t...[Details]
As automotive technology develops at an ever-increasing pace, the performance requirements for automotive internal structures, components, and accessories are becoming increasingly demanding. The d...[Details]
Thoughts triggered by the Wuhan Radish Run incident
It's so hot, even Ferraris spontaneously combust. A recent incident on a Wuhan overpass: a red Ferrari...[Details]
As in-vehicle audio and video entertainment features become increasingly diverse, the demand for digital transmission of audio and video information is urgent. Traditional protocols such as IEEE 13...[Details]
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