[i=s]This post was last edited by lehuijie on 2018-9-6 13:17[/i] This is a PC software. I will put it in this section first. If it is wrong, the moderator will remove it! This is a free OCR software. ...
Abstract: A novel DCMboundary power factor correction (PFC) chip is introduced. Its main features are to improve the power factor at high voltage input, reduce the total harmonic content (THD) of the ...
The national competition list is out. Friends who don’t know it yet can check it out here: https://bbs.eeworld.com.cn/thread-1084541-1-1.html
As soon as the list came out, everyone started to guess th...
[align=left][font=微软雅黑]I have been engaged in RF R&D for many years. I would like to share my experience in RF circuit design with you. I hope that the following brief discussion will be helpful to en...
When we controlled LEDs before, one LED required one corresponding pin. However, since our development board has limited pins, this is a waste. Here we add a new element, the 74HC595 module, to contro...
[i=s]This post was last edited by anananjjj on 2019-1-7 23:22[/i] I plan to study application methods this weekend. Today, I took advantage of some time to test the power consumption of some devices. ...