The lithium battery provides 3.3V voltage to the circuit system, and has USB charging function and overcharge protection function.USB charging is implemented using the TP4056 chip circuit. The TP4056 ...
As shown in the picture, if anyone is interested, you can make a PCB board. I have built and tested it on a breadboard before, and then directly soldered the pins of a bunch of parts in three dimensio...
1. How many topics did you publish in EEWORLD in 2013? How many posts did you reply to? In 2013, I published 3 topics and replied to 14 posts in EEWORLD. 2. What is the most unforgettable thing for yo...
After a long period of concept hype, WiMAX finally began to take root in the Chinese market.It is reported that Guangdong Netcom has signed a contract with two equipment vendors to purchase WiMAX (802...
The core of a machine vision system is image acquisition and processing. All information comes from images, and image quality is crucial to the entire vision system. A good image can improve the st...[Details]
If the ultimate form of a car is a silicon-based life form, then in
the field of
intelligent driving
, it has gradually taken on the appearance of a "veteran driver." In
the field of
the ...[Details]
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]
Flip-chip and ball grid array (BGA) are two widely used packaging technologies in the electronics industry. Each has its own advantages and limitations, and in some cases, they can complement each ...[Details]
New energy pure electric vehicles generally accelerate faster than comparable fuel-powered vehicles, both from a standing start and while accelerating. Many believe this is simply due to the motor'...[Details]
According to foreign media reports, BMW has just been granted a patent for a screen that could cover the entire roof. BMW hopes to transform at least a portion of the vehicle's headliner into a dis...[Details]
Electric vehicles will revolutionize transportation, changing fuel consumption, carbon emissions, costs, maintenance, and driving habits. Currently, a major selling point for electric vehicles is t...[Details]
introduction
With the development of society, people's requirements for the quality of refrigerated and frozen foods are constantly improving. The changes in food appearance and nutritional co...[Details]
According to the latest financial report data, thanks to its leading position in advanced technology, TSMC's profit performance in the second quarter of 2025 was extremely impressive, with net prof...[Details]
1. Static Balance
Static balancing is performed on one correction surface of the rotor. The remaining unbalance after correction is used to ensure that the rotor is within the specified range ...[Details]
Anyone who has driven a pure electric vehicle will find that it starts much faster than a fuel vehicle. So why do pure electric vehicles start so quickly?
We all know that an engine's to...[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
By the end of 2014, people aged 60 and above in China accounted for 15.5% of the total population, reaching 212 million; those aged 65 and above accounted for 10.1% of the total, ...[Details]
According to reports from Xinhua News Agency, Tianjin University official website and other media, Chinese researchers have recently broken through the bottleneck of energy density and application ...[Details]
In the exhibition halls of the 2025 World
Robot
Conference (WRC), robots of all shapes and sizes competed for attention. As the hustle and bustle of this industry event gradually subsided, ...[Details]