Description
A simple design for a quadruped robot. The robot should be easy to print on a small hobby grade printer (the one depicted was print on a Printrbot Simple Metal). The assembly doesn't requires screws/bolts , the parts click-fit together (0.3mm of tolerance).
#Updated 3.11.16 Based on feedback made some small changes to the design (larger room for electronics and better fit/lock system for the "belt") and uploaded a new set of STL.
For the electronics you will need 8 servos (9G.) a microcontroller a servo controller and power. The model in the picture use the following:
- Arduino Uno (https://www.adafruit.com/produ...)
- Adafruit 16-Channel 12-bit PWM/Servo Shield (https://www.adafruit.com/produ...)
- 4xAA Batteri holder (https://www.adafruit.com/produ...)
- 8x MG90S High Speed Micro Servo Metal Gear
There ain't much room with this setup, so I'll plan to order a Adafruit Feather (https://www.adafruit.com/produ...) and a 8 channel Servo FeatherWing (https://www.adafruit.com/produ...)
The robot was designed using OnShape, a browser based parametric CAD software package. You are free to copy/customise the project. The link to the project is: https://cad.onshape.com/docume...
OnShape is free to use for up to 10 private projects and unlimited for public projects. You can read more about other quadruped bots at my blog at www.burningservos.com
Video of the walk cycle (of af previous laser cut design): Felix walk cycle
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Comments (16)
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Thanks Ronald. Which of your robots is the last version ? The brown one says V2 but this red one says update 3.11.16. Looking for my first robot. Best, Francois
Hello I am Debbie.we can do it for you,and we have our own industrial 3D printing machine/vacuum machine,can change the color on the surface.please email us when you needed:gaojiemodelsales01@163.com. would give you response soon.
cool
Hi Ronald, the hip .stl doesn't have the vertical support to the motor slot, is this the correct file?
Great project! I'm going to do it
Where is the principle of wiring?
and firmware?
Thanks Jewels. Still working on the bluetooth controller but the code for the gait is already on Github: (https://github.com/Traverso/QuadrupedRobot). You can follow development along on my blog (burningservos.com) and at some point I'll manage to setup an Instructables page for the project.
Congrats on winning the contest ! great design, do you have video of this robot on action ?
Hi Alex, thanks! I did not shoot a video of this one before I dismantle it to replace the Arduino Uno with at feather (besides the reduced size I will be able to control it using bluetooth via a smart phone). I'll add a video as soon as I'm done with new electronics. But the gait/control is pretty much the same as my old laser cut design, there are a couple of videos of it in my channel: (https://www.youtube.com/channel/UCRdGECwegPiBJhJn9WgG0oA)
Link to project on onshape.com is broken (actually, maybe onshape website is just temporarily down?)
Hi MD, I tested the link from another machine and it worked. The project is public, so you can also search for "FelixBoxy" under public projects. Tell me please if you still have problems getting to it.