I browsed Taobao in the afternoon and saw two screens, which were quite cheap....The first one, 320*240, less than 30 yuan... 28.8, it seems that it can be cheaper if you buy more...The second one... ...
The idea is very simple, which is to use the watchdog reset to make an LED flash. When the program enters, the LED is turned on for a while, then turned off, and finally there is an endless loop, whic...
Recently I used PB4.2 to customize a WINCE system. If I choose the X86 series target platform for customization, NK.bin can be generated smoothly. However, my actual target platform is S3C2410. Of cou...
It's the Chinese New Year. To celebrate the total technical score on EEWorld breaking through 3000 points, 300 points will be given away. First 200 points, then 100 points will be added later....
Reflow soldering is a critical process in electronics assembly production, and the cleanliness of the reflow oven has a direct impact on product quality. Dust and residue accumulation within the ov...[Details]
The jammer is a signal blocker, mainly composed of a chip and a radio transmitter. When the car owner presses the remote control lock button, the jammer interferes with the electronic lock receivin...[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]
In the summer of 2025, BlueOval SK, a joint venture between Ford and SK On, officially started production at its first battery factory in Kentucky.
According to the original plan, this w...[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]
The practice of warming up a car originated with gasoline-powered vehicles. Warming up the engine allows it to enter a better working state and ensures good lubrication. This has become a habit for...[Details]
Smartphones can be incredibly unintelligent. For example, consider an office full of people, each absorbed in their work. Suddenly, the silence is broken by a burst of loud pop music. A colleague's...[Details]
0 Introduction
With a rapidly aging population, a young couple is now required to care for an increasing number of elderly people, leading to a growing difficulty in providing care for them. E...[Details]
We know that the power output by the engine does not directly act on the wheels to drive the car, but needs to pass through a series of power transmission mechanisms. So how is the power transmitte...[Details]
According to foreign media reports, Apple is secretly evaluating several artificial intelligence hardware concepts, including smart home displays, security devices and a desktop robot, of which the...[Details]
Abstract: This design uses field-effect transistors to create a tube-like audio power amplifier. The preamplifier uses a single Class A transistor, while the power stage utilizes Class AB push-pull...[Details]
Shenzhen RF Star's Bluetooth smart e-cigarette solution, by embedding a BLE module in the third-generation e-cigarette tube and coordinating it with the development of a smartphone APP, bring...[Details]
introduction
At present, all major countries in the world are vigorously developing marine affairs. However, there are various uncertainties and unknown factors in the ocean. Underwater robots...[Details]
introduction
As the concept of "low-carbon travel and green environmental protection" becomes more and more popular, bicycles have become a crucial means of transportation. Currently, urban pu...[Details]
Do electric cars emit radiation? The answer is: yes! In fact, electromagnetic radiation is ubiquitous in our lives. The Earth itself is a large magnetic field. The interaction between electric and ...[Details]
Power technology
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