DFRobot - Gravity: 4 Channel Relay Shield for Arduino

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DFRobot - Relay Shield for Arduino V2.1 This DFRoobot relay shield V2.1 is a completely new desgin which is capable of controlling 4 relays. The max switching power could be DC 90W or AC 360VA. It could be directly controlled by Arduino/DFRduino through digital IOs with external 9v supply. With buildin xbee type socket, it can be wirelessly controlled via Xbee/bluetooth/WPM. Make it an ideal solution for home automation and robotics purpose. New Features Compatible with Arduino UNO Rev3 Each Relay has its own test button to test the connection Standard DFRobot 3 Pin out Stackable XBee I/O direct control Specification Compatible with Arduino Rev3 4 buttons to test module LED status indicator of relay Support Xbee IO directly control Xbee socket for wireless communication Selectable digital IO pin for control(Default digital 2,7,8,10) 6 channels Analog IO & 13 channels Digital IO Up to 4 Relay with photo-coupled circuit Contact Rating 3A AC 120V / DC 24V Max Switching Voltage AC 240V / DC 60V Max Switching Current 5A Max Switching Power AC 360VA / DC 90W Electrical Life (Min) 100,000 Operations Mechanical Life (Min) 10,000,000 Operations Safety Standard(relay) UL cUL TUV CQC Coil Working Voltage 9VDC Working temperature -30℃ to +85℃ Working temperature 40% - 85% Size:95x65mm Shipping List Relay Shield for Arduino V2.1 (1 unit) Documents Wiki Doc Schematics Board Layout Sample code HJR4102 datasheet This DFRoobot relay shield  V2.1 is a completely new desgin which  is capable of controlling 4 relays.  The max switching power could be DC 90W or AC 360VA. It could be directly controlled by Arduino/DFRduino through digital IOs with external 9v supply. With buildin xbee type socket, it can be wirelessly controlled via Xbee/bluetooth/WPM.  Make it an ideal solution for home automation and robotics purpose.