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Tagged with sensing opto-isolator
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AC Optocoupler for 230V line detection
I am trying to detect line voltage (230V AC, if the supply is ON/OFF) by a microcontroller with the help of an AC optocoupler. The optocouplers I have evaluated are PC814, H11AA1 and SFH620A-3, out of ...
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Sense 230V - voltage
Brief sum up (you can go directly to the end if you already read the sum up in the other question)
For a home project I'm making a controller to drive a two-direction 230V motor. For those unfamiliar ...
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HCPL3700 - 220V sensing circuit
I want to use HCPL3700 optocoupler for sensing 220V (line).
I design a circuit but I want to ask some questions.
HCPL3700 is an open-collector output so I pull-up Vout. In AC voltage sensing some ...