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How to connect a HR-S4- 12V DC relay to Arduino to run a 12V solenoid
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General Guidance
vivian4fb
May 21, 2014, 11:10am
4
The relay has 5pins
NO (top left corner)
NC (top right corner)
a COM bottom middle
4), 5) unnamed
Can you please tell me how the schematic refers to these pins ?
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