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ElecFreaks Basic:bit for micro:bit three way I/O expansion, mini version

ElecFreaks Basic:bit for micro:bit three way I/O expansion, mini version

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micro:bit Board

micro:bit Board

  • 30 or more RM63.50
  • 100 or more RM61.20


  • Total accessories: RM0.0
  • Grand total: 18

  • Product Code: BASIC-BIT
  • Warranty Period: 12 months
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This is straight forward fairly basic expansion board for micro:bit, yet it is so useful! It carries a buzzer and three groups of GVS pins(P0/P1/P2) on board. Each group of GVS pins separately leads out the IO port, 3V port and GND port on micro:bit. Small size with simple structure, it is quite enough for you to complete 98% micro:bit projects.

Note: This is the basic:bit board only, please get the micro:bit here.


  • Small size with smart design, it is a perfect match for your micro:bit.
  • Easily connected to micro:bit and lead out its power and IO ports with screws only.
  • Lead out P0/P1/P2/3V/GND port on micro:bit board.
  • Allow you to complete 98% micro:bit projects with three IO ports.
  • The switch on board controls the ON/OFF status of buzzer.

Material Needed:

  • 1 x micro:bit
  • 1 x basic:bit
  • 1 x Octopus LED Module
  • 1 x USB Cable
  • 1 x GVS wire(Or Jumper Wire)


  • Voltage: 3.3V (Powered by micro:bit)
  • IO Ports: 3
  • Dimension: 51.7mm x 29.1 mm

Packing List:

  • 1 x basic:bit
  • 7 x screws(5 is enough)


Here is a quick start guide on the spot:


  • Fix your basic:bit onto micro:bit with screws and nuts.
  • Connect Octopus LED module to P1 port on your basic:bit.
  • Then slide the switch to the speaker end.

Example Code

You can see the whole program via the link below:

After saving the above code into micro:bit, the buzzer starts to play the music again and again. At the same time, Octopus LED module twinkles with 1 second space.


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Tags: Basic:bit, Elecfreaks, micro:bit, EF02053