Hi all! I'm having a small problem building a MIDI interface for my Arduino, I can't find a 6N138 optoisolator locally and nobody knows what I'm talking about when I ask for an optoisolator/optocoupler. Also, finding female MIDI connectors is proving to be a problem as well! Does anyone know if Rad…

Optoisolator/coupler difference? And where can I find them?

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