MI-power board for the BBC micro:bit
www.kitronik.co.uk/5610
Introduction:
The Mi-Power board provides a lightweight, slim profile solution
to powering and adding sound to your BBC micro:bit. The board connects
directly to the BBC micro:bit using the included screws, spacers and nuts.
Power is supplied from a replaceable 3V CR 2032 lithium coin cell battery that
is safely locked away when the unit is assembled.
Layout:
Mounting holes
Power switch
Sounder
Coin cell
battery
Pad connections
Examples of board in use:
Doing away with bulky AAA batteries provides
many new and exciting possibilities for your BBC micro:bit. How about a BBC
micro:bit belt buckle or watch? The low profile MI-power board assembly
makes adding the BBC micro:bit to your wearable projects that much easier.
Assembly:
Assembly instructions are included in page 2 of this guide.
Technical information:
The included CR 2032 Lithium battery has a capacity
of 200mAh which depending on use should last up to 20 hours. The on-board
sounder can output frequencies from 200Hz to 10kHz at volumes over 75dB!
The sounder is connected to P0. P1 and P2 are not used.
MI-power board for the BBC micro:bit
www.kitronik.co.uk/5610
Assembly instructions
Push screws
through pins 0,
3V and GND on
the BBC micro:bit.
Screw on spacers.
Included parts
Coin
cell
Assembly instructions
(Insert before
assembly, ‘+’
side up)
Tools needed:
•
Philips screwdriver
• Pliers
x1
x3
3
x3
x3
2
Spacers can be hard to screw into
place, use pliers to help you.
1
Dimensions (+/- 0.8mm)
11.00
2.00
10.50
11.00
2.00
10.5030.50
30.50
R2.00
R2.00
3.90
3.90
Line up the MI:power board with the screws, the
sounder should face the back of the BBC micro:bit.
Screw the nuts
onto the end
of each screw
to hold the
board in place.
3.00
3.00
42.00
4
6.00
3
6.00
42.00
Flick the power switch and your MI:power board
should be ready to use.
1.60
52.00
52.00
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