MakeKit Micro:bit Bubble:Bit User manual

Micro:bit soap bubble machine
With rechargeable battery
From 11 years
Bubble:bit

www.makekit.no
[e-mail]
makekit
gomakekit (also twitter)
Hover:bit is designed and manufactured in the old premises of
Tanbergs Radiofabrikk at Skullerud in Oslo, Norway
We welcome questions and feedback.
Do not hesitate to contact us!
Feel free to use our Facebook page as well
Henning and Steinar
At the Tandberg exhibition at
Skullerud
About the product

3
Meet the micro:bit V1
Front Backside
You can learn more at: https://tech.microbit.org/hardware/
micro:bit is a small computer with prosessor, sensors, display and radio.
It has connection pins for external components like LEDs, speakers or
various sensors.
Antenna
2,4 gHz
Reset button
USB Battery 3V
Button BButton A
Screen (5x5 pixels)
Sensors
Haircut
Gold teeth

4
The micro:bit V2
Front Back side
The micro:bit V2 is very similar to V1 but with extra features, like:
Microphone, speaker, touch button, faster processor and more memory.
The “gold teeth” looks different compared to V1, for better grip with
crocodile clips.
Antenna
2,4 gHz
Reset button
USB Battery 3V
Button BButton A
Screen (5x5 pixels)
Sensors
Gold teeth
Speaker
“V2”
mark
Microphone
Touch button

How it works:
Drone motor +
propeller
Servo motor
Battery
Micro:Bit (“brain”)
Bubble:bit is controlled by a
micro:bit which runs a small
program.
When you press button B, the
hand will dip the ring in soapy
water and the propeller will
start. A film of soap will form
and when the air is blown
through, soap bubbles will
form!
Soapy water

Same function on Bubble:bit
The black card has more connectors, but function for the Bubble Bit is the similar.
The motors, LED and servo should be connected at the same connections for both cards.
The green board needs no code exension, the black board needs the wonderkit code (download
from makekit.no/docs)

Servo motor (P2)
Green card
Propeller motor (P0)
LED (P1)
The control board helps the micro:bit to connect to external things such as motors, and
amplifies the current.
It also ensures that the micro:bit gets the right amount of power from the battery. If the battery
is running low, the power is turned off to protect the battery.
Note that if the red light is flashing, the battery needs to be charged.
Battery light
Battery connector

Blue: Charging
Green: Finished
USB: Charging power
Servo connector
Propeller motor
Battery plug
Black card
LED connector
Not used on Bubble:bit
Battery light

The green card comes with an orange charger.
First plug battery and charger together.
Then plug the charger into a USB socket. Orange light
lights up until the charger is finished after 1-2 hours.
Note! For safety reasons, lithium batteries must always
be charged under supervision.
Deler:
Usb-charger
LiPo-Battery
Charging (green card users)

10
Parts:
Lithium (LiPo)-
battery
Black control board
Micro USB-
Cable
1. The battery can be charge with or without the micro:bit
connected.
2. Plug the big white battery plug into the grey connector
3. Connect the micro USB into the control board (not the microbit)
4. Connect the other end into a USB charge outlet
5. Blue light indicates charging. Green light indicates charging
finished. It takes about 1 hour to charge.
6. To prevent battery drain, always unplug battery when not in use!
Fire hazard:
Never charge a Lithium battery unattended!
Charging (black card)

Recommended tools
11
Small philips
screwdriver
Optional scissors to
cut plastic cup
Small plastic cup Bubble water or soap recipe
Pipe wrench

•1 liter of water
•0.5 dl dish soap
•0.2 dl glycerol (available at pharmacies or
hobby stores)
•You can also use sugar or syrup instead of
glycerol
•Mix well without creating too much foam. Feel
free to experiment with different quantities. If
you mix with more water, you may get more
and smaller bubbles.
Soap bubble recipe

13
Servo horn
Servo motor Motor Rechargeable
battery
Micro:bit with usb cable
Parts
Control board,
Green or black
LED
Propeller
(CW)
Charger
Servo cable

14
5x spacers,
aluminium
5x m3x12
nylon screws
Blue
10x nylon nuts
2x m3x12
screw, white
2 small rubber
rings
1 large!
Rubber ring
Rubber band
Main plate
(Birch ply)
Arm with bubble
blower
(Birch ply)
Support pin
(Birch ply)
Spacer for servo
Cup holder with wedge

15
Parts:
Countersunk screws
Tools: Medium philips screwdriver, wrench
2x
Nylon screws
(Countersunk)
2x
Nylon nuts m3
Control board
Insert the screws from top.
Attatch the nuts on the backside of the board
(where the “MakeKit” logo is).

16
Parts:
Spacers
5x
Electrical conducting aluminium
spacers Insert five screws, pointing upwards.
Thread an aluminum ring onto each screw
5x m3x12
nylonskruer, blå
Tools:

17
Parts:
Micro:bit
Place the micro:bit over and screw on the five
nuts on top. Tighten the screws on the
underside so that there is a tight and good
contact. Do not use excessive force as this can
damage the nuts.
5x nuts
micro:bit
Tools: Medium philips screwdriver, wrench

Prepare board and arm
Mounting plate
Small!
Rubber ring
Rubber!
Band
Servo-horn
On the back of the plate, fasten the rubber band
from one know, around the other and back again.
With a small rubber ring, mount the servo horn to
the arm. First insert the servo horn, then connect
the small rubber ring from one knob to the other.
Arm

The LED
(Light Emitting Diode)
Always on
Programmeable
The LED has two legs, one long and one slightly
shorter. The short leg should always go to ground, or
black cable, while the long leg should go to plus, or
red cable. Rule to remember: "It's positive to have
long legs"
LED
Servo cable
The servo cable has three colours, black, red and white.!
The red cable always outputs power, while the white one
outputs power if you program it. In addition, the short
leg must be connected to black (ground)
•If you want the LED to always light up when the battery
is connected, connect it to black and red.!
•If you want to program the light so that it flashes, you
connect it to black and white.

Mounting the LED
(Light Emitting Diode)
LED
Servo cable
Insert the LED from the backside of the board.
On the front side, the LED will appear like this. !
Connect the servo cable like the picture shows. !
Make sure you connect all three pins under the
micro:bit. White colour must be on top.