Reply to "Using an optocoupler to connect insulated rail to input pin of shift register"

gunrunnerjohnOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

When using this I/O shield, note that while they specify 25ma per port sink/source, the overall power maximum doesn't allow nearly all off them to be active at the same time. Not unexpected, but just something to be aware of.

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4/3/172:16 PM

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