How to build a wireless hexapod robot

How to build a wireless hexapod robot
Here's a video of it in action.

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Have you completed this instructable?  Send me pictures and I'll add it on this page!

When completed, you will have a walking robot that is about 2 feet wide and stands as much as a foot tall.  It has lots of room for added features and improvements so feel free to use it for your own robotics experiments or share your improvements with others.

Build time is about 3-5 hours and it is not the easiest project.  You could burn yourself.  You could electrocute yourself.  You could fry the circuits and let the magic smoke out.  There is no warranty.  SO:  Take breaks.  Wash your hands.  Drink lots of water.

Tools and supplies you will need (not listed in the bill of materials):
  • a soldering iron
  • large phillips screwdriver
  • small slotted screwdriver
  • pliers
  • wire strippers
  • helping hands (optional, and very helpful)
  • windows PC (with optional bluetooth)
  • USB cable (think the square style that usually goes in a printer)
  • electrical tape
Skills you will need (or learn as you go):
  • wire stripping
  • soldering

TIP: Get a friend or SO to help! "I hold the part while you screw this bit here, then we switch."
 

 
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Step 1Acquiring materials

Acquiring materials
Option 1: get all the parts yourself
Most of the parts listed here can be obtained at your local electronics store.
DisplayDuino and ServoBoard are sold through Sparkfun.com.
Source code and DXF files for unique parts are available online from http://visual-hexapod.sourceforge.net/
You will have to the parts yourself.  I used 2mm Acrylic though you may want to try aluminum or some other material.  I recommend a CNC machine.
Some of the parts come from lynxmotion.  Shipping costs vary.

If you download the source code you will find the DXF part files in /trunk/other/part layout.dxf

Option 2: get all the parts in a kit
It costs more but it's a lot more convenient.  The extra money will fund further developments of your robot and other future robots.

get the kit

Editor's note: I did a search among the online hexapod retailers I know.  For the equivalent closed-source kit you'd either pay about £630 or $1200, depending on who your order from.  I'm offering the full kit + shipping for $999.  Don't take my word for it - if you find a better price, send me a private message please!
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91 comments
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Jan 19, 2012. 11:45 PMstpdxpdc says:
can you shared the source code? I can't find it

best regard.
edy
Aug 21, 2011. 1:14 PMcryptex says:
can you use the control system with a joystick
Jul 23, 2011. 6:56 PMMrmaxymoo22 says:
What CAD program did you use? And, are those files also open source?
Jan 19, 2011. 7:02 AMvirtualmix says:
Hi Aggrav8d, I'm having a look but I can't find the source code to run the hexapod. All I can find on sourceforge is a Windows program that I can't run (I'm using Linux)
Did I missed something?
Jan 20, 2011. 6:19 PMvirtualmix says:
Thank you Aggrav8d, I've finally use SVN to download the source code.
I can tell you must have spend some time on it. Thanks for sharing. This is a really nice project!
I will be working on a similar hexapod during the next 6 month, I have a few idea to reduce the price a bit (student budget...)
Also I will release my code in about 6 month, if it is good enough for sharing it.
Stay tuned ;)
Jan 23, 2011. 8:14 AMvirtualmix says:
I am currently building the 3D model on my computer.
I have chosen the electronic components but I'm waiting to finish the mechanical design before I purchase anything.
I have some issue with the weight. On my computer, my current design weight over 1.7kg... I'm trying to reduce it to 1kg without batteries...
How did you manage the weight? Did your servo had enough torque to handle it?
Jul 8, 2011. 12:56 AMvirtualmix says:
I finally made it :-)
I posted a video on youtube: http://youtu.be/3SEzLQic7Sg
I'm still planning to release all my work (CAD + Code) but I've a few things to do before. I'll be in touch if anyone is interested.
Btw, the total weight of my robot is about 2.3kg so the servos I'm using are a bit weak for the job, but it still work, fewwww :-)
May 23, 2011. 8:14 AMantonzedd says:
Went to Sourceforge link and there are definitely no .dxf files to be found. Please update link:).
Jan 25, 2011. 11:18 AMMecharius says:
I have never seen resistors rated in hurt (10 kilo hurzt being 10khz), is this an error or am i really missing something?
Jan 26, 2011. 8:26 PMMecharius says:
In ohms.
May 10, 2011. 4:51 AMjwoo2023 says:
me too
Nov 8, 2010. 9:57 AMookami22 says:
it a awesome project but there's no code can you upload it please i realy want to do a hexapod spider (haha)
Aug 6, 2010. 9:33 AMbowmaster says:
How much weight could one of these carry? It would be cool to mount a camera and an airsoft gun on top.
Aug 19, 2010. 3:06 PMthe tech head says:
MECH WARFARE AWSOME DUDE
Aug 19, 2010. 4:09 PMbowmaster says:
Nope. Mechs are bipedal.
Aug 20, 2010. 12:33 PMthe tech head says:
actually mech warfare lets u have a biped or a quadruped and in the novice classe any legged machine including tracks and wheels so u could enter in novice class Ive been thinking about doing an event were i live bu i figured no on would show up cause im thirteen (yes im gonna build a quadruped programming an all by myself)
Aug 27, 2010. 6:34 PMthe tech head says:
they dont get smashed they have airsoft guns and sensor pads and u have 20 hp look it up on youutube
Aug 27, 2010. 2:13 PMSaturn V says:
What about making things to smash things? Or better yet, make them explode!
Nov 22, 2010. 4:05 PMjkubalek says:
...Or! Making something that smashes things, that becomes self aware and sees the moral dilemma of its destructive behavior, then proceeds to promote world automaton peace. Then, realizing it (he) does not belong in the human or robotics realm, turns to a hermit existence, where he (George) proceeds to write his memoires, detailing out the duality of his 'mortal' occupation.
...I'm tellin ya. Call Hollywood. :)
Nov 22, 2010. 6:32 PMthe tech head says:
i can try to make a movie of that ll it wwill be alot shorter thanks i will give you a copy of it if i ever get around to it cause i might not make ant thing at all
Sep 13, 2009. 7:55 PMthe tech head says:
so i can still make my own version with my equipment as soon as i get a video camera
Jul 27, 2010. 8:49 AMdfennell says:
Hi - cool project. I converted the DXF files for use with a laser cutter (vector files; corel draw format) if you want to post them - Just had some thin acrylic laying around so did a test run on the laser cutter and the parts work great. I think I'll order some 4 or 5mm black Delrin today and cut it out of that - the Delrin will be super strong and won't get brittle in the cold. I'll post some pics of the cut parts later tonight -
Jul 27, 2010. 9:48 PMdfennell says:
Have a look at this previous robot chassis I designed and cut and see what you think about the scanning servo mount.. I designed it to fit a ping sensor and the servo for it mounts in a recess in the chassis - this would be an easy modification to your chassis for adding active sonar vision or true vision with a camera - think it's worth putting on there for you to support in the code later down the road? Here's the video - http://www.youtube.com/watch?v=2ZAe6xDNnYU Also, can you send your email and I'll send the cdr vector file to you for your chassis.
Jul 27, 2010. 9:36 PMdfennell says:
Just don't let it cost me anything and I'll make and send you a set in delrin if you like. Lexan would be nice as well, just kinda expensive. Delrin would be the way to go - it would take a crowbar and sledge to tear it up. It'll take a few days to get my delrin in - I'll post a cut video of it when it gets here.
Jul 27, 2010. 8:52 AMdfennell says:
could also post a video of cutting the parts if anyone is interested in that sort of thing -
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Author:aggrav8d(Marginally Clever Software)
I want to make a living through robotics and inventing. I don't get to travel enough. I'm looking for someone to sponsor a really big art project. When I have news about robot stuff but not enough ...
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