Difference between revisions of "AC Mains Detection"

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* AC Mains Detection - https://learn.edwinrobotics.com/230v110v-ac-mains-detection-using-arduino-raspberry-pi-and-esp8266-thing/#Step2
 
* AC Mains Detection - https://learn.edwinrobotics.com/230v110v-ac-mains-detection-using-arduino-raspberry-pi-and-esp8266-thing/#Step2
 
* LTV8141
 
* LTV8141
* http://www.bytesofgigabytes.com/embedded/sensing-ac-voltage-using-microcontroller/
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* https://www.edaboard.com/showthread.php?170213-mains-voltage-detector-for-UPS-Mains-transfer
 
== Zero Crossing ==
 
* http://bbs.elecfans.com/jishu_1936706_1_1.html
 
* https://www.hackster.io/hesam-moshiri/how-to-build-an-isolated-digital-ac-dimmer-using-arduino-b25aa1
 
<gallery>
 
File:AC_main_detect_and_zero_acrossing.png | zero crossing
 
</gallery>
 
  
 
== Function of Zero-Crossing ==
 
== Function of Zero-Crossing ==

Latest revision as of 05:16, 22 May 2020

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Function of Zero-Crossing

  • Delay to connect the AC mains to the target load, so the load receive less power, this can be used to control speed / light
  • Active relay on Zero-Crossing, to protect relay and target load, avoid high power shutdown feedback.