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X205 Expansion Board for Raspberry Pi 2 Model B / Raspberry Pi B+ (SKU:411771)


Input Voltage: 6V to 20Vdc converted to 5V, 3A via step-down DC/DC converter to power the Raspberry Pi RS232 serial communications: Control the Raspberry Pi over RS232 or connect to external serial accessories RS485 serial communications:

  • You will be able to have a communication port for your field bus directly connected to your RPi!
  • It will allow up to 32 devices to communicate through the same data line over a cable length of up to 4,000ft with a maximum data rate of 10Mbit/s.


  • 3.5mm MIC in jack
  • 3.5mm stereo audio jack
  • Audio IO connector (Microphone input and stereo audio amplifier 3.3Wx2)


  • WiFi (IEEE 802.11b/g/n) with external antenna
  • IR sensor (38KHz)

USB Storage:

  • Self-powered USB hub with 3 ports

Real-time clock (RTC):

  • Based on DS3231SN with included CR2032 battery

GPIO Control:

  • 8-channel Darlington driver chip (ULN2803) allowing to control electronic circuits which require more current


  • Power output socket
  • Camera flex slot so camera can still be used with the expansion board attached
  • DIP switch to remove connection from RPi’s pin header
  • Directly connected on top of the Raspberry Pi using the board GPIO header pins
  • No wiring nor soldering is required
  • Duplicated the 40-pin header of the R-Pi in order to support existing expansion boards
  • Suitable for Raspberry Pi Model B+ and Raspberry Pi 2 Model B NEW!
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