Different arduinos getting input from the same relay

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i want 4 arduinos input same relay (standard mechanical relay). using 4x relays not option work?

quote from: petronel on may 21, 2017, 10:59 pm
i want 4 arduinos input same relay (standard mechanical relay). using 4x relays not option work?
more details.please


Arduino Forum > Using Arduino > LEDs and Multiplexing > Different arduinos getting input from the same relay


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