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---
lang: en
layout: cover
permalink: /en/robots/poppy-ergo-jr/
role: poppy-ergo
title: "Ergo Jr"
description: "Ergo Jr is a low cost arm designed for education. It is the little brother of the robots used in the 'Mathematics a beautiful elsewhere' experiment"
cover_title: "Ergo Jr: a low cost robot for education"
cover_image: "/assets/img/covers/ergo.jpg"
cover_gradient: true
published: true
---

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      Ergo Jr is a low cost arm designed for education, easy to build and modify. Thanks to visual programming, it can be used in schools to realize from small to more complex projects.
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    <h2 class="tc">Features</h2>
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      Originally designed in the <a href="https://flowers.inria.fr/robots/ergo-robots/">"Mathematics: a beautiful elsewhere"</a> artistic experiment, the Ergo Jr has been adapted to fit with education needs.
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    <p class="tc">
      It is a robotic arm, consisting of 6 motors allowing life-like movements and 3D printed elements. The use of rivets make the assembly, modification and reassembly easy. Ergo Jr comes with three tools for different interactions with its environment: a lampshade, a gripper and a pen holder.
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      The robot is controlled with a <a href="https://www.raspberrypi.org">Raspberry Pi</a> board, and a camera helps it interact with the world.
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      Everything in the robot is let transparent and accessible to promote an educative approach and an interactive technology.
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    <img src="https://media.githubusercontent.com/media/poppy-project/poppy-ergo-jr/master/doc/img/assembly/steps/ErgoJr_assembly.gif" alt="Assembly of an Ergo Jr" width="800" height="600">
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    <h2>Program Ergo Jr</h2>
    <p>
      Ergo Jr relies on <a href="http://snap.berkeley.edu">Snap!</a>, a variant of <a href="https://scratch.mit.edu">Scratch</a>, the visual programming language. Its accessibility and efficiency make it a great tool to discover robotics and understand the digital world. It can be used directly on the robot with no additional installation. The robot is also compatible with ROS and Python.
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    <p>
      It comes with a set of pedagogical activities, developed with high-school teachers, ranging from the discovery of the robot and how to control it to more complex and integrated project. These activities are accessible for free on <a href="https://forum.poppy-project.org/tags/c/education/pedagogical-activities/ergo-jr">the project's forums</a>.
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      <img src="{{ site.baseurl }}/assets/img/snap/simple-example.jpg" alt="Simple if-then example in Snap!">
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      <a href="{{ site.data.links.activities_booklet_en }}" class="large success button">Download the pedagogical activities booklet</a>
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    <h2 class="tc">Get your Ergo Jr</h2>

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      The Ergo Jr kit is distributed by Génération Robots.
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      <a href="http://www.generationrobots.com/en/328-robot-poppy-ergo-jr" class="large success button">Order your Ergo Jr</a>
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    <p class="tc">
      You can also browse the <a href="https://docs.poppy-project.org/en/assembly-guides/ergo-jr/bom.html">source files</a> to build your own.
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