4 Channel Relay Shield
Category: Shields
A 4 channel relay shield (HCARDU0102) which conveniently and safely allows an Arduino to interface to the outside world via a set of relays. The shield will plug into an Arduino with standard headers and screw terminals for the relay contact means that no soldering is required. The relays can be individually controlled via 4 digital pins on your Arduino. An on board 5V regulator means that...
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