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Results tagged with zero-crossing
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user 95749
Zero-crossing refers to detecting the point at which a sine wave reaches the zero point of magnitude. In AC circuits it corresponds to the point at which no voltage is present so switching at that point reduces interference.
3
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answer
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How Zero Crossing optoisolator to work with 220VAC?
I want to use a H11AA1 to detect Zero Crossing, but I am not sure how circuit should look like. How much voltage should LED receive inside H11AA1?
Here is datasheet:
http://www.vishay.com/docs/83608/ …
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1
vote
3
answers
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How to test if zero crossing is working?
I used circuit like this:
On led I get: 3.3 mA and 1.3V
What is the best way to test if zero crossing works with arduino or multimetar?
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Optoisolator, did I connected it right? (Arduino Uno)
Here is my connection for optoisolator,
2 wires, yellow and red are for AC current.
Other 3 in my arduino, orange pin 2, blue ground and red 5V power.
And diagram.
Datasheet for optoisolator:
htt …
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