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Its repository has no photo; its creators show it built on their website.

A video of it built, on its website (opens in a new tab)

Open source · free files

ExoMy

Wheeled

A low-cost 3D-printed rover that can be built, controlled and customized, developed by the European Space Agency's Planetary Robotics Laboratory.

Project information

Buildability
38/100Incomplete documentation
Estimated cost
€250–€500As stated on its creators' website: ExoMy's website (opens in a new tab).
Level
Intermediate
Parts
Not listed
Tools
3D printer
Licenses
GPL-3.0-only (opens in a new tab), hardware and software
Commercial use
Allowed

Suggested by Robotheca, created by @esa-prl (opens in a new tab), from github.com/esa-prl/ExoMy (opens in a new tab), pinned to commit 179a999 (opens in a new tab). You buy the parts yourself; Robotheca doesn't sell robots.

What to buy

This repository has no parts list Robotheca can read yet.

Why it scores 38

It measures the published files, not the robot · How we score

38/100

Incomplete documentation

How complete the published files are for rebuilding this robot, measured by Robotheca at commit 179a999. It isn't a rating of the robot. Counted out of 80 points and scaled to 100: the parts that don't apply to this robot are left out.

  1. 13D and CAD files78 CAD source files.Add the parts to print (STL or 3MF files).10/20
  2. –Robot descriptionNo URDF. Not counted: the score is made of the parts that apply.Optional: add a URDF, and the robot can be seen in 3D and tried in the browser.Not counted
  3. 2Parts listNo parts list in the repository or linked.Most points to gain: Link to your parts list, or add it to the repository (a CSV or a Markdown table) with quantities, prices and where to buy each part.0/20
  4. 3SoftwareInstructions to install or run it.Link to your code, or add it to this repository. Say which software framework it uses (ROS 2, LeRobot, Arduino…).5/15
  5. 4DocumentationREADME of 1,909 characters with 0 pictures; 0 build steps.Split the build into at least 3 steps. Show the robot and its assembly in pictures in the README.5/15
  6. –SimulationNo simulation files. Not counted: the score is made of the parts that apply.Optional: add a simulation model (MuJoCo, Gazebo, Webots or Isaac).Not counted
  7. 5LicensesHardware: GPL-3.0-only; software: GPL-3.0-only.10/10

Build it

The guide appears here as you scroll.

Guide by @esa-prl (README.md), under GPL-3.0-only.

More guides

Wiring and electronics

Notes written by Robotheca from the project's documents

Main parts

  • Fritzing project file ExoMy.fzz holds the electronics design for the rover.
  • Fritzing library and exported breadboard and schematic views are included with the electronics design.

Connections

  • Connections between the electronic parts are defined in the Fritzing project file, which the documents do not otherwise describe.

Schematics, boards and diagrams

What it can do

Written by Robotheca from the project's documents
  • The repository is a documentation repository for ExoMy, a low-cost 3D-printed rover.
  • The Fritzing project in this repository documents the rover's electronics design only.
  • The rover is described as controllable and customizable, with control details held in the separate software repository.

Software

Framework
Not stated
License
GPL-3.0-only

Robotheca doesn't review code. Read it before running it.

How to run it

Written by Robotheca from the project's documents.

  1. 1Download the files of the latest release from the repository's Releases page to get the electronics design.
  2. 2Open the Fritzing project file ExoMy.fzz in Fritzing to view the electronics design.
  3. 3Software to run the rover is in a separate repository, ESA-PRL ExoMy_Software, which these documents do not describe in detail.

Software that runs on this robot

No software from Robotheca's catalogue found in this robot's files yet. Links come from its robot.yaml, its dependency files read as text, or Robotheca's editors.

Free files

Every file of the project, at commit 179a999.

Community

Questions and improvements go to the creator's repository.

Add a badge to your README

For the creator: two badges that link back here. The second always shows this page's current label and score.

Listed on RobothecaRobotheca buildability

Markdown (one click selects it)

[![Listed on Robotheca](https://robotheca.org/robots/exomy/badge.svg)](https://robotheca.org/robots/exomy)
[![Robotheca buildability](https://robotheca.org/robots/exomy/score.svg)](https://robotheca.org/robots/exomy)

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≈ € values are approximate, converted at the ECB euro reference rate of 30 Oct 2026. The creator's original price always comes first.