Cube Solver Robot with Arduino

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Introduction

CubeRobot1.png

This product is a cube solver robot with Arduino. At present,there are 3 actions including 90 degrees clockwise rotation, 90° anticlockwise rotation and 180 degrees rotation. The robot executes the corresponding action depending on the Rubik's cube reduction formula to solve the cube.

The type of cube which the Robot can solve is Standard third-order cube(Flexible rotating cube will be more better) The size of cube: International standard Rubik's Cube (57*57*57mm)

Assembly instructions

1.Mechanical assembly

Assembly diagram

CubeRobot2.png

CubeRobot3.png

2.Hardware List

  • 1x Arduino Uno
  • 1x Power Base Shield
  • 1x External Power Supply
  • 1x USB Cable
  • 4x Servo
  • 2x Acrylic Mechanical Arm
  • 1x Acrylic Base Plate
  • Screw And Nut
  •  20x Nut M3
  •  8x Nut M4
  •  14x Self Tightening Nut
  •  10x Dual-bandpass Copper Pillar M3*5MM
  •  6x Dual-bandpass Copper Pillar M3*14MM
  •  8x Inner Hexangular M3*25mm
  •  14x Inner Hexangular M3*20mm
  •  26x Inner Hexangular M3*12mm
  •  2x Inner Hexangular M3*15mm
  •  4x Inner Hexangular M4*25mm
  •  4x Inner Hexangular M4*16mm
  • 1x Power Adapter(5V/2A 5.5*2.5mm )
  • 1x Packing Box

3.Installation steps

3.1 Insert the power base shield in the Arduino Uno

CubeRobot4.png

3.2 Connect the servos of left arm , left paw , right arm , right paw to D5,D9,D10,D11.

CubeRobot5.png

3.3 Connect external power supply to power base shield. note: enhance the heat dissipation of regulator IC on power base shield (Install heat sink or cooling fan)

3.4 Connect Arduino to computer with usb cable.

CubeRobot6.png

Note: Voltage of external power supply should be 6-12v, Output current should be greater than 2.5A, The lower voltage of power supply, the less heat of regulator IC on power base shield.

Software Installation

Cube Explorer

The software can calculate solution of a cube within several seconds .

1.Download the latest version of Cube Explorer from https://github.com/skycoder-official/cube-explorer , Extract the software to any folder to complete the installation.

2.Double-click cubeXXXhtm.exe to start the software (XXX is the version number of the software).

Arduino Program

1. Go go Arduino IDE libraries and open libraries/Servo/src/avr/Servo.cpp

2.Comments out 283 to 280 lines in the code , in order to more accurately correct the angle of steering, if the steering gear should be used in other program, you need to change the code back. 

if( value < SERVO_MIN() )
value = SERVO_MIN();
else if( value > SERVO_MAX() )
value = SERVO_MAX();

3. Open MyCube.ino to compile and download to Arduino Uno

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