Arduino Quadruped Robot Stalker

Arduino Quadruped Robot – Stalker

I am going to build an Arduino Quadruped Robot. As usual, I will share my source code and show as many pictures as possible, to help those of you who are also building Quadruped robots. The way I do things might not be the best ways, and I am sure you can come up with better solutions, please let me know if you do!

This robot is actually the first robot I wanted to build, but I failed miserably. you can check this out and this. After building a working Arduino Hexapod robot, I feel confident that I can pull it off this time! I recycled the parts from the arduino hexapod robot, and build a body with styrene sheets, so there is no new parts.

Arduino Quadruped Robot Stalker

For Inverse Kinematics, Check out my tutorial:

I made an excel spreadsheet to simulate the movements of a quadruped robot. It shows detailed inverse kinematics calculations, and it might help those who are having problem understanding IK to visualize the complex computations, also it’s a great help to debug your code.

Download Quadruped Robot Simulation Spreadsheet V1.0

Hardware that I use at the moment:

1. Arduino Mega
2. 12 Servos
3. Wii Nunchuck controller
5. a few thick styrene sheets (skeleton)
6. 6V Ni-MH 4300mh Battery

Arduino Quadruped Robot Stalker connection


1. Build Body and Assemble Robot.
2. Test Wii Nunchuck on it.
3. Write good IK for body rotation, and translation.
4. Get it walking!
5. Write Android App to achieve more complicated task.
6. IR/ Ultra-Sonic Detection and simple AI.
7. Terrain Adaption.


Project Started – Update 31/03/2013

Basically copied most of the codes from my last Hexapod robot. All I did was to remove the variables related to the middle legs, and modifed the preset variable values to work in the Quadruped Robot, and it actually worked! :)

But the movements are quite Awkward, a lot of work need to be done about Inverse Kinamatics.

Here is how I made the body:

[box color=”#985D00″ bg=”#FFF8CB” font=”verdana” fontsize=”14 ” radius=”20 ” border=”#985D12″ float=”right” head=”Major Components in Project” headbg=”#FFEB70″ headcolor=”#985D00″]1. Arduino Mega
2. 12 Servos
3. Wii Nunchuck controller[/box]

For more detail: Arduino Quadruped Robot Stalker

About The Author

Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

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