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Thread: New humanoid

  1. #1
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    New humanoid

    I have 16 servos, 4 x HSR-5990TG, 6 HS-7954SH, and 6 HS-645MG. Brains will be provided by a SolarBotics Freeduino and Rennbotics servo shield supporting 16 servos. Both will be stuffed into an Arduino project box with 9V cell providing juice for the Freeduino and a Tenergy 6V 2000 mAh pack for the servos. Control will be via Arbotix commander gamepad over Xbee to the Freeduino.

    Hardware will be lasercut, .063" 5052 aluminum and possibly nylon block for servo mounts. The leg design will be a 4 DOF PLM layout, with a servo in each of the hip and ankle pitch locations and one more servo in each of the hip and ankle roll positions. None in the knee area, this is where the parallel links will attach. I will reserve one more servo for the hip yaw if needed. The torso will be solidly mounted to the lower body, meaning no waist rotate. The head will have no pan or tilt either.
    For the feet, I have these beautifully machined delrin feet from our own "Quantum" here on the forum.



    They are perfectly smooth and rigid, and should provide the perfect balance between traction and glide I'm looking for.

    Here is the head I plan on using. Its a gear shift knob found in the automotive aisle of my local bigbox store. And yes, it will get drilled out to accommodate red LED eyes.



    For this build, I plan to add some sensory for autonomous events. I will mount a Maxbotix EZ1 sonar, Sharp GP2D12 IR, and two tilt sensors to automatically trigger getup sequences.

    As for project name, I am still undecided. I was leaning toward something military sounding like Corporal Punishment or Major Malfunction, just not Sgt Slaughter (been done already). Any ideas?
    Last edited by mannyr7; 04-25-2011 at 06:43 PM.

  2. #2
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  3. Re: New humanoid

    sounds grate .
    I recon with that green head i would go with the HULK.
    Ow and you got to use green leds not red.


  4. #4
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    Re: New humanoid

    I would second the green LED's.. everyone uses red..

    gary
    Team Maggot---Mechs. "Bheka" (retired), "Maggot Mk.3(A)"
    " Keep your stick on the ice ".... Red Green

  5. #5
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    Re: New humanoid

    Yellow would probably look good too.


  6. #6
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    Re: New humanoid

    Thanks everybody for the tips. Maybe I will try green eyes. Now if I can just get somebody to 3d-print me some giant hulk hands!

  7. #7
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    Re: New humanoid

    I would hold off on that Rennbotics servo shield for now. I think I burned $1000 worth of servos connected to it! All servos were digital Hitec HS-5990tg and HS-7954sh with 6V pack as the supply and groung plugs confirmed. Prior to connecting them all, I verified operation via a Turnigy servo tester using the same 6V pack. While connected to the Freeduino via USB to my PC, they responded somewhat to commands from the keyboard but twitched and never realized full speed or range of motion. After disconnecting, I retested using the servo tester and saw mass failure! Some moved sluggishly and some not at all. I ordered a Hitech HPP-20 servo programmer in the faintest hope that maybe a board reset may be possible.

  8. #8
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    Re: New humanoid

    Awww Manny, that's really rough bud.

    My condolences. I know I'd have a breakdown if that happened. Hang in there.

    Fingers & toes crossed for a jovial outcome.

  9. #9
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    Re: New humanoid

    You definitely have my best wishes on this mannyr7, hope it turns out well.

  10. #10
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    Re: New humanoid

    Ouch.. hope it's not too serious.. perhaps they just got reset somehow.

    Gary
    Team Maggot---Mechs. "Bheka" (retired), "Maggot Mk.3(A)"
    " Keep your stick on the ice ".... Red Green

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