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  • #Manual

Cubetto Robot

Bottom

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The battery slot is accessible by untwisting the castor (Cubetto Key) A and removing the battery case cover B. A slider switch to turn Cubetto ON and OFF can be found C.

Side

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A single side panel is affixed and removed from the chassis with two countersunk bolt screws A. A hole for the wheel access provides additional wheel stability B

Back

A status LED and a mini-USB is accessible from the back of Cubetto when the shell is removed.

Interface Board

Top

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The main sequence A and function line B slots with their respective LEDs C can be found. Along with a fixed action button D.

Bottom

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The battery slot C is closed and accessed by removing or affixing the battery case panel B with 2 countersunk bolt screws.

Side

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The status LED A can be found next to a mini-USB port and accessed without disassembling the Interface Board. A set of rubber feet B are situated on the bottom of the product to prevent sliding and distance the switch from the floor.

Instruction Blocks

Top

The shape and colour identifies the instruction type of each block. There are four different blocks:

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Cubetto moves forward a map unit (15cm)
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Cubetto rotates on itself 90° Counter Clock Wise
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Cubetto rotates on itself 90° Clock Wise
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Cubetto executes the instructions contained in the function line

Bottom

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Magnets are inserted inside the blocks in 4 possible configurations with up to 3 magnets inserted.

Block Cap

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Each block is closed using a D shaped cap that seals the block and prevents the magnets from falling out.

Component checklist

Screws and fittings

  • F0 M3 dome screw – x2
  • F1 M3 self-tapering dome screw – x4
  • F2 M2 small dome screw – x1
  • F3 M3x10mm countersunk bolt screw – x10
  • F4 M3 bolt nut – x8
  • F5 M3 hex spacer – x4
  • F6 Circular magnet – x24
  • F7 Rubber o-ring – x2
  • F8 M3x12mm countersunk bolt screw – x8
  • F9 Rubber feet – x4

Electronics

  • E1 28BYJ-48 5V DC Stepper Motor – x2
  • E2 Slider switch – x2
  • E3 Battery case – x2
  • P1 Cubetto v1.1 PCBa – x1
  • P2 Interface v1.1 PCBa – x1
  • P3 NRF24L01 – x2

Cubetto

  • C1 Cubetto chassis – x1
  • C2 Battery case cover – x1
  • C3 Battery cover Key – x1
  • C4 Cubetto wheel – x2
  • C5 Cubetto face plate – x1
  • C6 Cubetto back plate – x1
  • C7 Cubetto top plate – x1
  • C8 Cubetto side plate – x2

Interface Board

  • IB1 Action button – x1
  • IB2 Battery case holder – x1
  • IB3 Battery case cover – x1
  • IB4 Engraved top layer – x1
  • IB5 Middle layer – x1
  • IB6 Clear layer – x1
  • IB7 Bottom layer – x1
  • IB8 Engraved long side – x1
  • IB9 Blank long side – x1
  • IB10 Engraved short side – x1
  • IB11 Blank short side – x1

Instruction Blocks

  • B1 Forward block top (Red) – x4
  • B2 Left block top (Blue) – x4
  • B3 Right block top (Yellow) – x4
  • B4 Function block top (Green) – x4
  • B8 Block bottom (Red) – x4
  • B8 Block bottom (Blue) – x4
  • B8 Block bottom (Yellow) – x4
  • B8 Block bottom (Green) – x4

Additional material

  • Vinyl glue
  • Mini-USB Cable
  • Masking tape
  • Sand paper
  • Handheld electric drill + chamfering tool bit.

Build Cubetto

Preparation

We say “chamfering” to indicate the addition of a slant to a vertical hole. In our case it’s used to facilitate screw insertion

  1. Equip your drill with the chamfering tool A and chamfer the corner holes in both C8 panels.
  2. Place C5, C6, C7 and one C8 panel flat on surface, with the engraved parts face down.
  3. Coat the intersections between panels with wood glue
  4. Erect the structure, resulting in a partly completed, four sided shell
  5. Secure with masking tape and leave to dry for a minimum of 8 hours.

Switches and battery cases

  1. Fit E2 to C1 in the slot provided, and affix it with an F2 screw.
  2. Thread the wires of E3 to the bottom of C1. Push E3 in until the two parts click.
  3. Cover the battery case with C2 and lock in place with C3.
  4. Remove C3 and C2 as and when you need to change batteries.

Follow the diagram closely when fitting E2 to C1 to match Cubetto’s ON OFF status with markings at the bottom of C1.

If the switch is a bit loose, put some superglue on the ends to fasten it

Motors and Wheels

  1. Affix E1 to C1 by screwing the wings of the motor using two F1 screws. Repeat the procedure for both motors.
  2. Fit F7 around C4. Repeat the procedure for both wheels and press them onto E1 motor axis.

PCB assembly

  1. Plug P3, E1, E2 and E3 onto P1. Refer to the “LEFT” and “RIGHT” labels on the Cubetto board.
  2. Affix P1 to C1 using two F0 screws.

Close Cubetto

  1. Place four F4 bolt nuts in the slots provided on C1.
  2. Affix the partly assembled shell onto C1, using two F8 screws. The F8 screws should bite in the F4 nuts.
  3. Fix the loose C8 panel to the side using two F8 screws. The F8 screws should bite in the F4 nuts.


Build the Interface Board

Preparation

Equip your drill with the chamfering tool and chamfer all holes in the IB7 panel.

Top Layer


  1. Line the action button holes of IB4 and IB5 and thread IB1 through. Twist IB4 and IB5 to fix the action button.
  2. Fit four F3 screws in the corner holes of the layers and place the layers on a surface with the engraved side facing down.
  3. Add IB6 to the layer using the screws as a guide, resulting in a 3 layer construction.
  4. Add P2 to the layer using the screws as a guide, resulting in a 4 layer construction
  5. Affixing four F5 spacers to the four F3 screws to secure the “sandwich”

Follow the diagrams closely to make sure each component is layered in the correct orientation. Twist F5 and F3 together using your hands.

Bottom Layer

  1. Fit E2 to IB2 in the slot provided.
  2. Thread the wires of E3 to the bottom of IB2. Push E3 in until the two parts click.
  3. Line IB2 to the hole in IB7 and affix using four F8 screws that should bite into four F4 nuts.

Follow the diagram closely when fitting E2 to IB2 to match the Interface Board’s ON OFF status with markings on IB3

Interface Board PCB

  1. Plug P3, E2 and E3 onto P2. Follow the diagram for orientation.
  2. Affix IB7 to the previously prepared sandwich using four F3 screws and will bite into the F5 spacers.
  3. Tighten all F3 corner screws (Top and bottom layers) with a screw driver.

Be gentle when handling the IB7 layer once all components are connected to P2, or you will snap wires. Follow the diagram closely for orientation

Close the Interface Board

  1. Apply wood glue on the upper/long edge of parts IB8, IB9, IB10 and IB11, and on the shorter interlocking edges. (Not on the engraved parts)
  2. Press fit all sides to the partly constructed Interface Board.
  3. Secure the structure with masking tape and leave to dry for an afternoon.

Do not apply glue to the bottom edge of the side panels, or you will not be able to access the PCB if required in the future.

  1. Pick the F9 rubber feet from the protective paper and stick them on the bottom of the interface board, on the four corners.

Build the instruction blocks

Fit the magnets and close the instruction blocks

  1. Fit an F6 magnet in each of the slots available inside all B1, B2, B3 and B4 block tops.
  2. Close all four block tops with their respectively coloured block bottoms.

Do not forget to fill every available slots in the block tops before closing each block, or the blocks will not be recognised properly when inserted in the board

Yeah!

Give yourself a pat on the back as the playset is now assembled. You can start playing with it after inserting the batteries, have a look at our getting started guide for more information.

If you notice some glue or burnt marks, it’s normal, you can sand them off with some sand-paper

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