MakeKit hover:bit User manual

1
Fast rotation propellers can hurt humans and animals
To prevent injury, do:
•Keep hands off a running vehicle
•If you loose control of the vehicle, stop immediately
Safety warning
Lithium batteries can release smoke or cause a fire
To prevent damage, do:
•Don’t charge the batteries unattended
•Don’t use a damaged or punctured battery
•Do not short circuit the battery
•Avoid temperatures below -10 and above 50 degrees celcius.
•Don’t use batteries that are colder than 15 degrees celcius
•Always have a plan for what to do in case of a fire: If you are
indoor, open a window and get the battery outside to prevent
smoke or fire.
•Do not open or modify the battery in any way.
•For optimal performance, store the battery at around 30%
capacity and between 10 and 20 degrees celcius
•Follow airport regulations for carrying lithium batteries on
airplanes. (Usually hand luggage only)

2
Meet the micro:bit
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

Hand control
micro:bit
AA battery pack
(Farnell)
Holder, airply
Throttle
indicator
Battery gauge
Rolll / turn
Motion based
control with
accelerometer
Increase throttle
Decrease
throttle

By MakeKit and SPRacing
Main switch
STM32 F303 processor
With Betaflight software
Off On
Charge port +
firmware update
(micro USB)
Motor 2 (skirt)
Motor 1 (push)
Battery plug
Control board
Servo connector

How it works
SERVO
Air pillow fan
46000 RPM
Pusher fan
46000 RPM
Rudder control
Control board with motor drivers
Micro:bit - receiver
Throttle Battery
Rudder

6
Charging
Parts:
Lithium (LiPo)-
battery
Air:bit control board
Micro USB-
Cable
The battery can be charge with or without the micro:bit mounted
1. Switch off the power
2. Plug the big white plug into the grey connector “1s LiPo”
3. Connect the micro USB into control board
4. Connect the other end into a USB charge outlet
5. Blue light indicates charging. When light goes off, charging is
finished. (1-2 hours)
Fire hazard:
Never charge a Lithium battery unattended!
Off / On Battery
Power off
1
2
3
4

Tools
7
Recommended:Must have:
Small
philips
screwdriver
Glue gun
or
contact
adhesive glue
Small cutting pliers
Nose pliers
Socket wrench
5.5mm
Marker Utility knife
Scissors Ruler
Piece of A4 paper

8
Parts
Remote holder Tail fin holder 2x angle connectorsMotor holder
3 Large o-rings
Base frame
Wedges 8x spacers 2x small O-rings 1 CW propeller 1 CCW propeller
4 stk knurled
barrel nuts
2x m3x8 nylon
screws
4x m3x12 nylon
screws
4x m3x15 nylon
screws
14x nylon nuts
2x m3x12
countersunk

Parts (electronics)
9
Control board
Servo horn Ziplock bag, 15x20 cm Servo motor 2x Motors
Lithium battery 1-2 Micro:bit start kit (sold separately)

10
Assembly

Assemble the remote
(skip if you made the Air:bit)
11
2 nylon
nuts m3
Remote holder
Parts:
• Place the micro:bit with screen facing up on top of the holder (1)
• Make sure the remote holder also is facing up
• Mount battery box with the silicone ring (2)
Tools: Philips Screwdriver
Battery box AAA
2 nylon screw
m3x8
1
2
Large silicone ring

12
• Screw the barrel nuts to the control board. They will
provide a connection to the micro:bit
• Make sure they are “finger thight”:
• Tight enough to provide a steady connection
• Not so tight the screw is damaged
Deler:
Control board (skip if you made the Air:bit)
4 knurled
barrel nuts
4 stk nylon screws m3x12
Airbit control board
Tools: Philips Screwdriver

13
• Pull the screws trough and attach the nuts on the
bottom side of the board
Parts:
Countersunk screws
(skip if you made the Air:bit)
2 x
Nylon nuts
2 x
countersunk
screws
Assembled control board
Tools: Philips Screwdriver

14
• Place the micro:bit on the barrel nut on the control
board
• Screw on the nuts “finger tight” so the connection is
solid but you don’t damage the plastic screws.
Deler:
4 nuts
micro:bit (skip if you made the Air:bit)
micro:bit
Assembled control board
Tools: Philips Screwdriver, pipe wrench 5.5mm

15
Making the raft
Cardboard box from kit
Parts:
Tools:
Utility knife or scissors
• Carefully cut along the dotted lines
•Cut out one of the tail fins

16
Making the raft
Cardboard parts
Parts:
Tools:
Marker
• Place cardboard exactly in the middle of the ziplock
bag
• Mark the inner circle and the outer line with a marker
Large ziplock bag from kit

17
Making the raft
Parts:
Tools:
Marker
• With a small screwdriver or sharp tip, punch 4 thin
holes in the marked crosses.
• Insert the four screws as shown above
4 nylon screw
m3x15
Cardboard raft

18
Making the raft
Parts:
Tools:
Scissors
Marker
•On one side of the ziplock bag, cut out the
marked hole with a pair of scissors
•On the other side of the bag, use a ruler to
draw a square 4 cm from the edges.
Ziplock bag
4 cm
4 cm
4
4

19
Making the raft
Parts:
Tools:
Scissors
• Carefully cut out the square on back side only
• The bag should have a square hole on one side and
a hole on the other side.
Ziplock bag

20
Making the raft
Parts:
Tools:
Hot glue or contact adhesive glue
• Turn the raft upside down.
• Place the bag so it matches the markings.
• Make sure the big squared cutout is on
top and the circular hole is at the bottom.
• Remove the bag
Ziplock bag
Raft with screws
• Place hot glue around the hole
• Carefully place the bag so it aligns
with the hole and the rest of the raft
Caution!
Hot
• Put a thin layer of glue
around the hole
•Put a similar layer of
glue around the hole on
the bag
•Wait 2-5 minutes until
the surfaces are dry
• Press together
• Other glues might not
work on PE plastic bags
You can also use contact glue