This circuit is used to sample three-phase AC power. P1 samples voltage and P2 samples current. There are two points that I don't understand:
1. The 6-pin output of U2 and U3 does not share the same g
[i=s]This post was last edited by h2sense123 on 2016-12-6 11:27[/i] [color=#000][font=simsun, Arial] [/font][/color][color=#000][font=宋体]The transformers in substations are generally large and have oi
The following is a HEX file. The 2-digit chksum at the end of each line is wrong. Can any experts help me give the correct chksum value? :10005E00313020202020535454536F637072444312 :10006E005752442F44
The day before yesterday, my classmate went to the Garden Expo and said it was raining. I live in Changping, and it didn't rain in Changping. Does this mean that Beijing is quite big? I remembered a j
In atmega16, interrupt 0 is used to capture clock interrupts in a low-level effective manner. The alarm condition of PCF8563 is set to alarm at the hour, such as 10. However, the interrupt cannot be c