3. Ring:bit Introduction

3.1. Expansion Board of Ring:bit car 2


  • The Ring:bit expansion board is a simple PCB for the micro:bit. The Ring:bit extends the micro:bit’s 3 GPIO ports. We will use this module to convert the P0/P1/P2 port to the common GVS port. It can be loaded 3 AAA batteries to drive the car or other components.

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3.2. The Special Expansion Board of Ring:bit car 2

  • The Special Expansion Board of Ring:bit car 2 is for adding extendibility of Ring:bit car. With two Rainbow LEDs and a special expanded port for special expansion module connection.

  • There is a slide switch on the board, slide it to “Rainbow LED” for using of two Rainbow LEDs; slide the switch to the “Other modules” for using other modules. Please note that these can not be operated at the same time.

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Please note that the Ring:bit car version 2 has been upgraded. It is diffrent from the Ring:bit car version 1. All related documents refers to the Ring:bit car version 2. Information of the Ring:bit car version 1