Hexapod robot for drawing

Posted on 05/05/2021 by mouadh92
Modified on: 07/05/2021
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Introduction

Hi guys, so I've been suggested to post about my project in the robotshop community so here we go. My project is a hexapod robot that I want to make it draw anything. I use SSC32u servo controller to control the 18 servos of the robot. 3 servos on each leg, coxa-femur-tibia. I am currently building my GUI to control the robot movements.


First drawing

The robot is here, I attached a pencil to the spindle. I managed to draw some lines by controlling the servos using Lynxterm.

Whoever is familiar with the ssc32u servo controller will know that there is no software that has "quasi unlimited" functions like Arduino or Raspberry Pi. So this is the big challenge I am taking. Building my GUI is not easy for me as I am a beginner I would say. Anyways I have followed some tutorials and I have managed to establish a communication between my GUI and the robot. Now, here we go, I am now going into the inverse kinematics world of the Hexapod, and I am quite lost there as I do not know how to find the IK of my Hexapod. I followed that excel sheet I  found on some website, which is a Hexapod simulation, and strangely, the simulation results do not match at all the experiment ones !!! If someone has suggestions in order to control my robot IK or have any simulator/equations/formulas it would be a great help.

 

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