1. Experimental tasks As shown in the previous test schematic, switch SP1 is connected to the P3.7/RD pin, and four LEDs are connected to the P1 port of the AT89S51 microcontroller. When the power is ...
Sohu Wireless: A pioneer in mobile entertainmentBest performance: Sohu Wireless leveraged the resources and popularity of the Sohu portal website to launch the mobile portal "Mobile Sohu", creating a ...
【Today · Frost Descent】--- "Frost Descent is one of the 24 solar terms. It means that the weather is getting colder and the first frost appears. It is the last solar term in autumn and also means that...
The design of electronic ballasts for energy-saving lamps is a major difficulty in the lighting industry. Many manufacturers produce products of poor quality, which causes users to "save energy but no...
In the process of power supply research and development, we will always encounter problems of one kind or another. Here are some experts who have been researching and developing power supply problems ...