Li-Fi, which has always been limited to the academic field, has received strong attention from outsiders, and some even think it will replace Wi-Fi. Estonian company Velmenni recently tested the technology and found that this kind of visible light wireless communicatio…

TV screens are getting bigger and bigger, the wattage of audio is getting bigger and bigger, and the power consumption of black appliances is getting bigger and bigger. The issue of energy conservation has become increasingly prominent. Household …

The voltage on C1 in the figure is the voltage after bridge rectification, Rs1 samples the current flowing through the MOS tube, and performs current-by-cycle current limit control so that the current peak of the MOS tube is not too large, ensuring that the transformer does n…

Admit it! Since the planet Optimus Prime and Decepticon fell on Earth, you have always wanted to get a real, deformable car.

But... you don't even have a car. (smile)

But these are not as difficult as they are to the people. The Transformers game…

Confronted with an M4A audio file, you might find it doesn’t play on some of your favorite devices or media players, which favor the more universal MP3 format. This compatibility issue can be a real stumbling block, especially when you need your audio to be flexible and readily access…