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We have ✅ 2 available of the DF-DFR0219 in our Sydney warehouse. An extra 107 units will be available shortly.

Express post delivery (2-5 business days)

Our IO expansion board is evolving, the RS485 IO Expansion Shield is now supporting Xbee and has colour coded pin header. It combines our popular Xbee shield with IO expansion shield.

It even supports SD module card which provides the ultimate functional expansion for Arduino so far. As its predecessor, it supports RS485, APC220 Radio Communication Module, Bluetooth , Xbee communication, servo control.


  • Support Seperate Servo Power Supply
  • Support RS485
  • Support Xbee (Xbee pro)
  • Support Bluetooth
  • Support APC220
  • Support SD card read/write
  • Support URM04 (RS485 Ultrasonic Sensor)



  • RS485 IO Expansion Shield for Arduino x1

The Gravity: RS485 IO ExpansionShield for Arduino appears in the following collections: