I would like to ask you, I use this circuit to measure AC current. The voltage on the secondary side is 1.29, but why is the final reading only 1.22? How can I reduce this error?...
[i=s]This post was last edited by 5之丹公英 on 2016-2-12 22:06[/i] [align=left][font=宋体][size=18.0pt]The village has changed a lot. The small bridge at the entrance of the village has been rebuilt and sea...
[font=微软雅黑] [size=3][/size] [size=3][/size] [size=3]This classic science fiction movie of the year was released on November 19th. A colleague went to see the 3D version and fainted on the bed when he ...
I am a beginner. I finally wrote a running light. Now I want to learn PWM. I want to use PWM to control the brightness of the LED light, but I don’t know how to write it. Please give me some advice....
I am looking for a circuit or control chip that can output negative voltage. The input voltage is required to be 19-28V. The output voltage is -50 or below. There is no specific requirement for the ou...
[color=#444444][font=Tahoma,]I've been working on GPRS recently, and I'm using the YYW_M203C module. [/font][/color] [color=#444444][font=Tahoma,]This module has both GPRS and GPS positioning. [/font]...