A small and powerful relay module for safely switching larger voltages. This module works on 5V and can switch up to 10A. This module also has a red and green indication LED to display the status of the relay (on / off).
QHageAt the relay I see 3 connection pins. gnd for the minus? vcc for 5 volts? in for .....?ViewHide1 answer | Answer this question
AOpencircuitThe IN pin determines whether the relay is on or off.
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