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Relay Shield for Arduino V2.1

View DFR0144: Relay Shield for Arduino V2.1 Compatible with Arduino UNO REV3

DFR0144: Relay Shield for Arduino V2.1 Compatible with Arduino UNO REV3

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Jameco Part no. 2152260
Manufacturer DFROBOT
Manufacturer no. DFR0144
  RoHS compliant
Catalog 152 , page 144
  • No datasheet available. Please review the tabs below for product specifications.
Pricing & Availability


# of Unit Price
1+ $21.95
5+ $19.95
25+ $17.95
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Relay Shield for Arduino v2.1

This DFRobot relay shield V2.1 is a completely new design which is capable of controlling 4 relays. The max switching power could be DC 90W or AC 360VA. It can be directly controlled by Arduino/DFRduino through digital IOs with external 9V supply. With built-in 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


  • 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°C to +85°C
  • Working temperature 40% - 85%
  • Size:95x65mm

    Shipping List

    Relay Shield for Arduino V2.1 (1 unit)


    Wiki Doc
    Board Layout
    Sample code (.zip)
    HJR4102 datasheet

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