Let's Make Robots!

Simple three-servo hexapod walker using the Pololu Micro Maestro

Walks forward and backward, turns in place, avoids obstacles.

This is a simple three-servo hexapod robot using the Pololu Micro Maestro as a controller.  The Micro Maestro allows allows me to sequence gaits and integrate sensor readings for obstacle avoidance.

I have posted complete build instructions and a video that I hope people will take a look at.  Anyone who has decent soldering skills should be able to build this robot in an afternoon or so, and I think that there are a lot of possible variations on the design.  Below I have posted some pictures taken from the build instructions to illustrate the steps in building the robot:

 

Parts used (total cost = $65):

Parts for the hexapod

Servo configuration:

 Servo configuration.

 Servo wiring to Micro Maestro:

Servo wiring to Micro Maestro

Sensor wiring:

Sensor wiring

 Complete electronic assembly:

 Complete electronic assembly

Complete robot assembly:

Complete robot assembly

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Cool... soon u spider will have a clone. I'm working on it. :)
Great, I can't wait to see what you build!  Please post pictures!
Nice and clean job. Are the servos and legs powerful enough to get nice walking even with weight of batteries?
Yes, it is quite capable of lifting itself up, though it is obviously not going to be an all-terrain or outdoor robot.  The servos do hum a bit when they are supporting weight.
That looks very small and neat. I could not find the video mentioned. Is it possible for you to add a video link so I can download it as China blocks youtube and many other video sites.

The video is at youtube here.  If you suggest a place to upload it, I can send it to you as a 5M mp4.  Do you have an MSN or Skype account?

I suggest you sign up for a service to get you past the blocks.  When I travel to China that is one of the first things I set up...I can't live without youtube and facebook!

So far I have gotten by without youtube but LMR isn't the same without video. What do you find to be a good service for bypassing the blocks? I was using one previously but even it got blocked during China's 60th aniversery.
Have you thought of one of us ripping the videos out of youtube then posting the riped vids right here or on my domain/or others then linking here?
I said I can upload the video if you tell me where you want it.  You cannot upload videos directly to LMR, right?