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Optokoppler – Mikrocontroller.net
PC123 Photocoupler: PC123 vs.PC817, Equivalents, Datasheet
PC123 Datasheet, Distance Photocoupler.
PC123 Photocoupler: PC123 vs.PC817, Equivalents, Datasheet
PC123 Datasheet(PDF) - Sharp Corporation
Optokoppler – Wikipedia
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PC123 Optocoupler: Pinout, Equivalent, Datasheet, PC123 vs PC817 | Easybom
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Hart gelötet!: 2019
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