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Explore robots

Open-source robots with their licenses, parts and source files. Every page is pinned to a commit on GitHub.

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Ready to build: a score of 80 or more, a license and a finished design.

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Where the project was published, known for 29 of 270 robots. Never guessed.

Guide translated from

Guides machine-translated into English by Robotheca, with a link to the original on each robot page.

37 of 270 robots state a cost. Costs in other currencies are compared using the ECB reference rate of 14 Oct 2026. Robots without a known cost are hidden unless you include them.

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5 robots of 270

Page 1 of 1 · Ready to build first, then by buildability

  • Photo on GitHub
    Robot arm

    HumbleArm

    A low-cost desktop 6-DOF robotic arm controlled via ROS, using Arduino UNO, an I2C servo driver, and six servos.

    • No license
    Level
    Intermediate
    Buildability
    83/100
    Well documented, no license
    Cost
    ¥200≈ €27 (ECB rate, 14 Oct 2026)
  • Robot arm

    Robotic Arm

    An open-source robotic arm controlled by an ESP32-C3 via a PCA9685 servo driver and an Xbox-compatible gamepad.

    Level
    Intermediate
    Buildability
    75/100
    Buildable with some effort
    Cost
    ¥481≈ €64 (ECB rate, 14 Oct 2026)
  • Robot arm

    U-Arm

    A low-cost, universal leader-follower teleoperation system for commercial robot arms with plug-and-play hardware configurations.

    • Works with AI
    Level
    Intermediate
    Buildability
    75/100
    Buildable with some effort
    Cost
    $60≈ €54 (ECB rate, 14 Oct 2026)
  • Robot arm

    Hand Exoskeleton

    A low-cost 6DoF hand exoskeleton using linkage and tendon mechanisms, controlled by an ESP32 and seven SC09 bus servos.

    Level
    Intermediate
    Buildability
    60/100
    Buildable with some effort
    Cost
    ¥500≈ €67 (ECB rate, 14 Oct 2026)
  • Robot arm

    OmniT-Hand

    A minimalist underactuated robotic hand with one motor per finger, achieving adaptive grasping for humanoid robots.

    Level
    Intermediate
    Buildability
    15/100
    Incomplete documentation
    Cost
    ¥1,230≈ €164 (ECB rate, 14 Oct 2026)

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