Easy input and output for sensors and actuators. 

  • Overview
  • Fast robotics prototyping made simple thanks to this expansion shield. No need of soldering and wiring, things that often becomes an issue when a bridged connection happens and components break. Often, without this solution, robot prototyping or electronics DIY becomes a very long term project.

    The DFRobot Expansion shield introduced to the market the famous color code for sensors and actuators input and output. The 3 pin format for Signal, Voltage and Ground is extremely useful, specially if used altogether with our increasingly large range of modules, sensors and devices that just fit . 

    Alternatively, the board includes power input for salvaged power supplies or laboratory power supplies. Very common Xbee socket for multipurpose wireless connectivity such as RF, wireless, bluetooth. 

    The new version includes a voltage hardware setting through a jumper to allow compatibility with a bigger range of components at 3.3v.

    It also includes a Servo external power, with a protective diode. This way you can enable a large range of servos from your Arduino.

    Latest version features a convenient switch that lets you program your ATmega328 boards like UNO, while you have another Serial device connected like a Xbee. Switch it, program it and get it back up and running with another switch. You don't need to disassemble your hardware or wiring.

    A LED on top board and a reset button is in order to make it just a natural extension to Arduino boards. The LED is connected to pin 13.


    • Compatible with the new Arduino Due
    • 3.3V/5V operating voltage select
    • Switch for wireless communtcation & programme
    • More Easily recognitive interfaces
    • Colorful header for illustrating digital or analog pins
    • Immersion gold surface


    • Input Voltage
    • 7-12V, PWR_IN
    • 4.8-6V, SERVO_PWR, depending on your servo
    • Compatible module voltage: 5V/3.3V
    • Support interface: I2C, SPI, Xbee (Xbee pro), Bluetooth, APC220