by mind, published
I used 20 HD-2213MG Servos (http://www.servodatabase.com/servo/power-hd/hd-2213mg) . If you use other servos you need to modify the embeddings for the servos and servo horns. You may make the upper and lower legs shorter to get shorter leverage.
Finally the parts get assembled with M2 thread rod and nuts.
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I calculate each position in each timeFrame (~17frames per sec) for each servo - this delivers smooth movment. This you can do with animation data (interpolating) or with inverse kinematic results.
Hi, I use a hand made shield for the Arduino Mega. I took a normal perfboard and used a wiring pen to make all needed controll connections - (wiring-pen http://radionics.rs-online.com... - its a bit of soldering work but works fine in the end
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This design is made for ~4.9mm (i used wood) for all parts except the ~1.8mm thick upper leg counterpart (with servo-horn embedding).
3 right upper and lower leg parts
3 light upper and lower leg parts
1 upper body part
1 lower body part
3 right servo casings
4 left servo casings
You should lazzzor-cut it in combined mode (raster&vector) to get nice embeddings for the servo-horns and nuts. (The embeddings should be solid filled with a color and have no hairlines)
I used M2 hex-head screw (12mm) as back axis for the servos.
I have added some photos to see how itâ€™s assembled. You need a lot of nuts and thread rod ;)
This is my first upload I hope it works for you.
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