Keyes 4 Channel Relay Shield
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This shield is ideally suited to controlling multiple larger voltages with project. This is a 4 channel relay shield which can be used to activate up to 120V AC and 24V DC. This allows you to build in device control, operating remote lights or triggering systems when the shield is supplied with a signal. This signal can come from a range of sources including most standard microcontrollers.
The shield has 4 LEDs that inform of the state of the module. A power activation LED that lights when a signal is received on the IN pin. When a signal is received a audible click can be heard as the relay triggers, connecting the output pins.
This can be used with a wide range of microcontrollers including Arduino MEGA, Diecimila, Duemilanove and UNO.
Please do not hesitate to contact us if you require further information regarding the shield's operation.
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