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  • Thank you for the answer. Can we use something like 'arduino motor shield'? these physics calculations is the staff job, they asked me the board and kits that can do this work. They want something like this Robotic arm on amazon I did not find any instructions that suitable for this project. Commented Oct 31, 2015 at 10:49
  • @HorizonDragon If the "staff" haven't specified the kind of information Igor has mentioned then you cannot do the job properly. Go back to them and ask them for more detail so you can know what kind of power is being expected. Commented Oct 31, 2015 at 10:59
  • @HorizonDragon that link you posted would be even scarier for me :-) because it relies on levers to perform combined movements, instead of having a motor at each joint. It's an approach pulled out by kits that want to stay on the cheap side and has the advantage of being lightweight. The drawback is that even if you have apparently several dofs, in practice they have mechanical constraints on which movements they can perform and are not so easy to control. Commented Oct 31, 2015 at 11:13
  • @HorizonDragon something like this [1] might be easier to deal with, albeit more expensive. [1] ebay.com/itm/… Commented Oct 31, 2015 at 11:15