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DF Robot Boson Expansion Board for the BBC micro:bit
An add-on for the BBC micro:bit. The DF Robot Boson Expansion Board breakouts the pins with 3-Pin fool-proof sockets, which are compatible with hundreds of DFRobot Gravity sensors and modules.
 ex GST
 inc GST
SKU: 57185786
Product Description

DF Robot Boson Expansion Board for the BBC micro:bit

On-board I/O rings and crocodile clips sometimes are not handy and safe enough to connect peripherals. To explore more possibilities with micro:bit, DF Robot has designed the micro:bit Expansion Board for Boson, a carry-on board that connects to micro:bit via edge connector.


The expansion board comes with 6 fool-proof 3-Pin sockets, compatible with hundreds of DFRobot’s Boson modularized electronic blocks, covering most popular digital and analog sensors and actuators, supporting sound, light and motion interaction.

Moreover, the on-board 3.5MM headphone jack and volume knob supports direct connection of headphone. To ensure a steady current supply for these peripherals, the expansion board can be powered externally through the USB power port.


  • 1x DF Robot Boson Expansion Board for the BBC micro:bit
  • 6x 200mm fool-proof PH2.0 cable


  • MicroUSB Power Port Voltage:5V
  • PH2.0 Input/output Voltage: 3.3V
  • Input/output ring Voltage: 3.3V
  • Maximum Current: 500mA
  • Working temperature: 0-85 ℃
  • Dimensions: 80 x70 mm
  • Weight: 48g

Note: DF Robot Boson Expansion Board does NOT include a micro:bit board. The micro:bit will need to be purchased separately. 

You can purchase the BBC micro:bit here

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Scott Llamas - May 2021


Awesome service with super fast delivery. The chat option really helped me choose the products, know they were in stock and would be delivered in time. The items were posted the same day and I couldn't believe it when they arrived from Perth to Melbourne in 3 days! Thanks for your wonderful support - our students were able to complete their robotic projects in time.
Nicola Bailey - Nov 2020

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