- Each one needs 15-20mA Driver Current
I may need to get an 8 channel relay board with Optical Isolation
...has total IO current capability of 800mA, not 200mA...
Must have got distracted at some point & stopped wirewrapping 6 wires too early...
you could make a simple excel spreadsheet & put everything in total it up easy enough.
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via Egeo 16