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CUBOTino autonomous

A small, 3D printed robot that solves a Rubik's cube autonomously on a Raspberry Pi.

  • Other
  • Open source
  • 3D printable

Suggested by Robotheca, created by @AndreaFavero71 (opens in a new tab), from github.com/AndreaFavero71/cubotino (opens in a new tab). Pinned to commit 7cd1ad6 (opens in a new tab).

Fork on GitHub (opens in a new tab)Download the files at this commit (.zip)
Hardware license
CC-BY-4.0 (opens in a new tab)
Software license
CC-BY-4.0 (opens in a new tab)
Commercial use
Allowed

This repository contains executable files that Robotheca doesn't check. Only run them if you trust the creator.

Which files (3 scripts)

Photo and 3D model

CUBOTino autonomous, photo from its repository
Photo:@AndreaFavero71 (opens in a new tab)CC-BY-4.0source file (opens in a new tab)

3D preview converted from github.com/AndreaFavero71/cubotino at 7cd1ad6, under CC-BY-4.0. View the original files from GitHub (114.3 MB) (opens in a new tab)

What it can do

Written by Robotheca from the project's documents.

  • Solves a Rubik's cube autonomously using a small 3D printed robot
  • Servo positions can be tuned through a GUI over VNC
  • Can run its main Python script manually or autostart on boot via crontab
  • Optional small display (Waveshare 1.8 or 2 inch) is supported

Bill of materials

This repository has no parts list Robotheca can read yet.

Build guide

The creator's steps, each with its instructions.

  1. 1Flash the SD card for the Raspberry Pi
  2. 2Boot the Raspberry Pi and connect via SSH
  3. 3Clone the repository and run the setup script
  4. 4Reboot after setup completes
  5. 5Build the robot following the documentation
  6. 6Tune the servo positions with the GUI
  7. 7Run the main script manually
  8. 8Enable autostart on boot

The guide appears here as you scroll.

Guide by @AndreaFavero71 (README.md), under CC-BY-4.0.

More guides

Wiring and electronics

Notes written by Robotheca from the project's documents.

Main parts

  • Raspberry Pi as the main controller
  • Servo motors for moving the cube
  • Custom connections PCB based on the Cubotino schematic
  • Optional Waveshare 1.8 inch ST7735 or 2 inch ST7789 LCD display

Connections

  • The optional display connects to the PCB pins GND, +3.3V, SCLK, MOSI, GP22, GP27, CS0 and GP4 using a JST PH connector and dupont wires
  • Connections follow the Cubotino schematic PDF in the connections_board folder