DFRobot Relay Shield 2.1 for Arduino

• 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  iscapable 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. With a built-in Xbee typesocket, it can be wirelessly controlled via Xbee/Bluetooth/WPM, making itan 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