Community-built robots you can build, run, and own
HumanoidZowi Biped
163 stars on GitHub. Zowi is the official open-source biped from bq (sponsored until 2016) — a compact 4-servo educational walking robot, descended from the Otto/BoB Thingiverse lineage (original concept by k120189, Thingiverse 43708). Designed entirely in FreeCAD so every part is editable and remixable. Licensed CC-BY-SA 4.0. Source: https://github.com/JavierIH/zowi Hardware: 4 Futaba 3003 (or compatible) servos BQ ZUM BT328 or Arduino-compatible board 4xAAA battery holder ~38 M3 bolts and 22 M3 nuts The repository ships the canonical body/chassis/leg/foot STLs plus a deep mods folder with remix variants: Forge, IronZowi, JIM, Kobuki, MicroRaider, Scopum, Zowarrior, Zowimanoid, Zowiquilator. Also includes Arduino code, schematics, and Spanish-language docs. Resources: Original Thingiverse concept: http://www.thingiverse.com/thing:43708 DIWO blog (Spanish): http://diwo.bq.com/zowi-introduccion-a-los-robots-bipedos/ License: CC-BY-SA 4.0.
from $70🛠 BoM
HumanoidModular Biped
467 stars on GitHub. The Modular Bipedal Robot is an open-source 3D-printable companion robot from MakerForge Tech / Aaron Mason, built around a Raspberry Pi + Arduino split. The repo includes the full STL set for the v2 body, head, neck, and legs, plus a modular Python/C++ software framework with drop-in modules for vision, speech, motion detection, GPT chat, NeoPixel LEDs, RTL-SDR, and more. Source: https://github.com/makerforgetech/modular-biped Architecture: Raspberry Pi (Pi 4 or Pi 5) handles vision, speech, and orchestration Arduino handles real-time servo control via serial Custom PCBs for power and IO IMX500 AI camera module supported Software modules (drop-in): Animation, Tracking, Vision (face/object), TTS / Braillespeak ChatGPT / Translator (LLM-driven interaction) Servos, PiServo, Neopixel, Buzzer, Motion detection Serial bus, RTL-SDR radio, Viam integration Build resources: Wiki & build guide: https://github.com/makerforgetech/modular-biped/wiki 3D-print files: https://github.com/makerforgetech/modular-biped/tree/main/3d_prints/v2 Hardware list: https://github.com/makerforgetech/modular-biped/wiki/Hardware Software architecture: see Software Architecture.drawio.svg in repo License: MIT.
from $260🛠 BoMBrowse by type