Robots are many. Some are bipedal, with wheels, crawling, they can swim or even some that can display facial expressions. But virtually all of them must be programmed so they can do what they do. But a few, like Baxter, are capable of learning new behaviors from the guidance of his own, without writing a single line of code. Baxter costs about 20,000 euros, and many believe that in the future many robots will learn as he does.

In the last two decades have seen how robots stopped being tools for the assembly line of a manufacturing plant or protagonists of a science fiction novel to become sophisticated learning tools or entertainment. The advance of microelectronics and low price of servomechanisms, coupled with breakthrough occurred in processing power and memory of microcontrollers has enabled even robotics enthusiasts can design and build their own models. However, in almost all cases, regardless of concerned business models or built at home, it is necessary to write programs that tell the robot in question and carry out certain task. If we want our newly built biped robot one step, we have to write a program to turn your servo and respond to stimuli received from its sensors so you can get it right This task, of course, is not accessible to all potential users of these interesting devices.

Baxter, a new robot designed and built by Rethink Robotics, is based on a concept that, while not entirely new, has been implemented well enough to work perfectly and perhaps mark a trend in the market robotics. Instead of using traditional programming to learn new tricks, simply manipulate their own limbs showing him what to do. Suppose we want the robot takes an object that is on the right and moved 40 centimeters to the left. Instead of writing a program in a complex programming language, indicate when and how to move each of their engines, just put it in "program mode", move your right arm to the object, open the "hand", placing on property, close, move the arm 40 inches to the left, open hand again to drop the object, and keep all those movements in a. Thus, Baxter has "learned" that sequence of movements without writing a single line of code.



As mentioned, this form of teaching a robot is not new. However, it is the first time we see one, for the market (ie, outside a laboratory) with a lower price to 20,000 euros and that works as well. Baxter complements their learning skills with a "face" based on an LCD equipped with very expressive eyes, which helps a lot when it comes to understand that's what we're trying to communicate device or what it is "seeing" with their cameras. It is designed to help small assembly lines, parts handling light tasks or assist in packing / unpacking, but if the system works as well as it looks, certainly appear similar to Baxter models but cheaper and for the home. 'd Point you to one?

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