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Rangkaian pengaman Optocoupler untuk Mikrokontroler - GeScripter
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PC817 Optocoupler Pinout, Working, Applications, Example with Arduino
Rangkaian pengaman Optocoupler untuk Mikrokontroler - GeScripter
PC817 Optocoupler: 4 Simple Electronic Circuits [FAQ]
PC817 Optocoupler : Pin Configuration, Circuit, Working & Its Applications