I have a big project in Brazil ,but i want to ask you "MAKERS" some questions !

Hi Makers ,my name is Alan Garbellotto ,I'm 27 and I'm from Brazil.
I'm here to get from you some information about your knowledge ,that's i have a small project with my company called SENAC perhaps you don't know about,but if you want this is the website http://portal.senacrs.com.br/site/index.asp ,then it's maybe a little strange but we had one project who they called INNOVATION yah it is but i have to buy some boards and i know that you have the key to say me wich one is the best board to my situation.[/pre]

I will put the picture here -to discuss the project.

BELOW SOME POINTS THAT I HAVE DOUBT !!

This ROBOT have about 1.70 metres, and i need to move the ROBOT to front and back.
I'm going to get it with sensors , the capacity to sensing someone else who come next it.

COULD YOU HELP ME?