[url]https://bbs.eeworld.com.cn/forum.php?mod=viewthread&tid=427875&extra=page%3D1&page=1[/url] The article in the link only provides an idea. If anyone has a specific schematic diagram, please give i...
I want to make a timer that can change the minutes. The program is as follows. The problem is that the seconds decrease normally, but the minutes do not decrease. Can you please help me find the probl...
When using MediaPlayer to play WAV files, and repeatedly playing and stopping, there will be noise at the start and end of playback. Through the oscilloscope, we can see that there is obvious noise in...
Use software to design an LED power supply. First open WEBENCH, enter the corresponding parameters in the LED interfaceEnter the series number and series number and voltage range, the following is the...
With the development and innovation of power electronics technology, switching power supply technology is also constantly innovating. At present, switching power supplies are widely used in almost all...
[color=Black] Optocoupler (OC) is also called optocoupler or optocoupler, or optocoupler for short. It is a device that uses light as a medium to transmit electrical signals. Usually, the light emitte...