The role and topology of led drive circuit

LED is a kind of photon emission caused by excess energy. When a forward voltage is applied across the LED, minority carriers and majority carriers in the semiconductor react in a composite reaction. Different colored materials can be used to produce colored light of d

11 Golden Week TV buy Raiders which TV is the most sought-after?

In less than 20 days, we will usher in the 11th Golden Week. During the seven-day holiday, some people chose to travel, and some chose to read books and watch television at home. During the Golden Week of the Eleventh Golden Week, which is also the p