Difference between revisions of "AC Mains Detection"

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* https://www.edaboard.com/showthread.php?170213-mains-voltage-detector-for-UPS-Mains-transfer
 
* https://www.edaboard.com/showthread.php?170213-mains-voltage-detector-for-UPS-Mains-transfer
 
== Zero Crossing ==
 
== Zero Crossing ==
 +
* http://bbs.elecfans.com/jishu_1936706_1_1.html
 
<gallery>
 
<gallery>
 
File:AC_main_detect_and_zero_acrossing.png | zero crossing
 
File:AC_main_detect_and_zero_acrossing.png | zero crossing

Revision as of 04:32, 22 May 2020