The price of LED display screen is mainly composed of screen price, control system, computer amplifier sound class, engineering construction and so on.
The screen body and control system are provided by professional …
First, the design features
1, constant current output is very suitable for driving LED
2. The high output voltage supports one LED string, so there is no need to consider the current distribution between the L…
Far infrared reflow
The far-infrared reflow soldering used in the 1980s has the characteristics of fast heating, energy saving and stable operation. However, due to the difference in material and color of printed boards…
introduction
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Microwave refers to electromagnetic waves with a frequency of 300MHz-300GHz. It is an abbreviation for a limited frequency band in radio waves, that …