Need some help building a hexapod

Hexapod Robots

Need some help building a hexapod

Postby Lazer155 » Wed Oct 28, 2009 3:20 pm

I am new to building hexapods but I would like to build one. What is a good microcontroller to use with a hexapod? I have some experience building quadcopters(4 motored rc helicopter). I dont know if that experience could help me though. Any tips on how to build a hexapod are appreciated. :) Thanks
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Re: Need some help building a hexapod

Postby plingboot » Wed Oct 28, 2009 5:56 pm

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Re: Need some help building a hexapod

Postby Lazer155 » Wed Oct 28, 2009 6:30 pm

Thanks for that link. Thats what I was looking for. I did not realize the forum had a store. Is that control board capable of being controlled with a 2.4ghz transmitter like the PS2 controller?
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Re: Need some help building a hexapod

Postby plingboot » Wed Oct 28, 2009 6:44 pm

the SMB with HexEngine has built-in support for a wireless PS2 controller - do a search on the forum for PS2 - lots of stuff including wiring diagrams etc.
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Re: Need some help building a hexapod

Postby Lazer155 » Wed Oct 28, 2009 7:36 pm

What is the difference between the phoenix hexapod series and the Micromagic series? they seem to be almost the same except for the bodies and control boards. I kind of like the Micromagic hexapods because they can support an ultrasonic system but I don't know if the Phoenix can support an ultrasonic system. Can the Phoenix hexapod support an ultrasonic system? What parts do I need to make the PS2 controller work with the Micromagic Hexapod?
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Re: Need some help building a hexapod

Postby Lazer155 » Sun Nov 01, 2009 3:54 am

Can I use these servos to control my micromagic hexapod: http://shop.tomsrc.com/product_info.php ... ts_id=1762 They are GWS servos with a torque of 468oz. Will they work?
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Re: Need some help building a hexapod

Postby Matt Denton » Mon Nov 02, 2009 9:24 am

Lazer155 wrote:Can I use these servos to control my micromagic hexapod: http://shop.tomsrc.com/product_info.php ... ts_id=1762 They are GWS servos with a torque of 468oz. Will they work?


No, they are the wrong size and will not fit the MSR-H01 kit. I suggest using the servos listed on the site, as a minimum I would use:

Coxa: 6 x HS-225BB
Femur: 6 x HS-645MG
Tibia: 6 x HS-475HB
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Re: Need some help building a hexapod

Postby Lazer155 » Fri Nov 06, 2009 11:01 pm

Im now trying to decide which servos to get. Should I get 12 HSR-5990TG servos and 6 HS-5645MG servos? Otherwise should I get 6 HS-645MG and 6 HS-255mg servos? I would be using these servos on the MSR-H01 hexapod. I know the HSR-5990TG and HS-5645MG servos are alot more powerful but is there any advantage over having that much more power?
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Re: Need some help building a hexapod

Postby plingboot » Sat Nov 07, 2009 7:52 am

personally I'd go for 6 x 225bb and 12 x 645mg. these will do the job perfectly. if you have money to burn by all means go for servo bling, but fwiw Matts servo spec is the best balance of the features required and cost.
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Re: Need some help building a hexapod

Postby Matt Denton » Sat Nov 07, 2009 10:18 am

Indeed, as plingboot says I would stick with the 6 x HS-225 and 12 x HS-645MG combo. They work very well and you will get a much longer run time using these compared to the more expensive power hungry digital servos. I would however suggest, that if you do have the extra cash, get 6 x HS-225MG servos so you have a complete metal gear servo set. :)
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