The MI:power board for the BBC micro:bit brings real portability to your wearable projects. The stylish, lightweight PCB is designed to fit snugly against the BBC micro:bit and features a built in buzzer and 3V coin cell holder.
When assembled, the MI:power board is connected directly to the 3V, GND and P0 connections on the micro:bit. The 3V and GND connections provide power to the micro:bit and the built in buzzer is connected to P0, which is the default output pin when using the audio functions in the Block Editor software.
The board has an easy to access on/off switch, which makes it easy to turn a project on and off, rather than have to disconnect the power supply from the BBC micro:bit.
Once the unit is assembled and attached to the BBC micro:bit the mechanical fixings prevent the battery from being removed unless you use a screwdriver, so whatever the use, the battery will remain safely in place.
Spacers, fixings and a battery are all provided.
Please Note: BBC micro:bit is NOT included.
- Power your BBC micro:bit from a stylish PCB.
- On-Board buzzer.
- Easy access on/off switch.
- 1 x MI:power board for the BBC micro:bit.
- 3 x Counter Sunk M3 x12mm Machine Screws.
- 3 x M3 Hex Full Width Nuts.
- 3 x Plastic Spacers.
- 1 x CR2032 3V Coin Cell.
Project Ideas Video:
Free Laser Cutter DXF Files:
We've also created some free downloadable resources for you to use with your laser cutter. Included in the downloads are DXF files for designs that fit directly to the Mi:power board that allow you to attach it to your belt, wrist strap, lanyard, stand it on your desk or on a design that can be placed in your garden or a plant pot. You can see some examples of these in the images below.
- Length: 51mm.
- Width: 42mm.
- Height: 6mm.
- 1 x BBC micro:bit.
- Pozi drive screwdriver.
In this tutorial we are going to highlight how easy it is to code the BBC micro:bit as an instrument tuner. We will focus mainly on making a Guitar tuner but we will also provide download links for several different types of tuner.
To highlight the range of possibilities that using the MI:power board to power your micro:bit opens up, we've created some free laser cutter files that you can download and use with your own laser cutter. All of the designs fit directly to the MI:power board and increase both the portability and the potential uses for your micro:bit.
This Kitronik University Resource is a part of the BBC micro:bit partnership and explains the various options available for powering your BBC micro:bit.
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