Plans for robotic arm

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I'm new to robotics hobby, I'd like to try and build a robotic arm
that ideally I'd control using C programming language, arm connected
to my pc via serial (or maybe) USB cable.

But I'm finding it difficult to discover plans or instructions for
such a thing.  I don't want to buy a ready-manufactured arm, I want to
construct it myself so I can learn while doing it.  Can anyone point
me in the right direction to find such plans (or even instructions!!)?


Re: Plans for robotic arm



A Mini SSC-II serial servo controller with USB/Serial converter cable
and hobby servo motors would be pretty simple to start with.

I've never used C on a PC platform, but I have a servo control software
project for a Mini SSC-II with VB. http://www.rentron.com/Mini-ssc.htm

It's pretty simple stuff, but a lot of fun.

Regards,

-Bruce



Re: Plans for robotic arm


http://www.lynxmotion.com  has several arm designs you could reference
for ideas, and they sell servo mount brackets you might find useful.

Regards,

 -Bruce



Re: Plans for robotic arm


Thanks for the advice and links Bruce!


Re: Plans for robotic arm


Hmm...  Don't know of any good patterns on the net.

Here's something to work with:
http://gidesa.altervista.org/roboticarm.php
http://trac.t7a.org/t7a/wiki/SmeRobotArm
http://www.societyofrobots.com/robot_arm_tutorial.shtml


For quick prototyping, I've found 1/4" foam board (sold at the US
office supply for posters/presentations/science fair displays), dowels
(for pivots), and hot glue to be a good combination.  Don't worry
about actuation or better materials until you have a prototype that
moves properly.  Prototype with cheap, easily shaped materials until
you establish a design worthy of a lengthy fabrication.

- Daniel

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