Arduino 4 Relays Shield - RobotShop

Completely new design capable of controlling 4 relays. Compatible with Arduino UNO Rev3. Each Relay has its own test button. Supply Voltage: 9V. This DFRoobot Relay Shield for Arduino V2.1 is a completely new design which is capable of controlling 4 relays. The max switching power could be DC90W or AC 360VA. It could be directly controlled by Arduino/DFRduinothrough digital IOs with external 9v supply.

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