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Poppy Ergo Jr

A small, low-cost 6-degree-of-freedom 3D-printed robot arm driven by Dynamixel XL-320 motors and controlled from a Raspberry Pi.

  • Robot arm
  • Open source
  • 3D printable

Suggested by Robotheca, created by @poppy-project (opens in a new tab), from github.com/poppy-project/poppy-ergo-jr (opens in a new tab). Pinned to commit 97ce599 (opens in a new tab).

Photo and 3D model

This repository has no photo of the robot yet.

3D preview converted from github.com/poppy-project/poppy-ergo-jr at 97ce599, under CC-BY-SA-4.0. View the original files from GitHub (2 KB) (opens in a new tab)

What it can do

Written by Robotheca from the project's documents.

  • Small, low-cost 6-degree-of-freedom robot arm built from simple 3D-printable shapes
  • Intended for learning robotics and manipulation, and for educational use
  • Comes with three tools: a lampshade, a grasper, and a pen holder
  • Controlled from a Raspberry Pi

Bill of materials

This repository has no parts list Robotheca can read yet.

Build guide

The creator's steps, each with its instructions.

  1. 1Obtain the bill of materials and suppliers
  2. 2Print the mechanical and electronics parts from the hardware folder
  3. 3Assemble the robot following the Poppy project assembly guide
  4. 4Set up the Raspberry Pi board with the Poppy Ergo Jr image or setup script
  5. 5Run the code samples to control the robot

The guide appears here as you scroll.

Guide by @poppy-project (README.md), under CC-BY-SA-4.0 (hardware) and GPL-3.0-only (software).

More guides

Wiring and electronics

Notes written by Robotheca from the project's documents.

Main parts

  • Dynamixel XL-320 motors
  • Raspberry Pi 2 board (also works with Raspberry Pi 3)