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HiI'm semi new to robotics, because I know lots about mechanics and building, lots about individual electronic components, but not a whole lot in the world of applying those two with microcontrollers and getting a robot in the end. Anyway my specific question would be about having a tutorial on the process of connecting a microcontroller to a robot and attaching the servos and sensors, then linking that with a computer to get a functional robot. That is a general view of want I would like to know, specifically I want to use a TI calculator (almost every kid in high school or college has one) to be the main brain for the robot. Where it becomes unclear for me is what is necessary for that. I don't think that a microcontroller is necessary because the calculator is acting as the memory and brain, but it would then need to output it to like a servo controller, and be linked with something that could organize and send back sensor information. Since I don't know exactly what I'm talking about or how to implement it, is this thing that would take information from a calculator and output it to servos and send back sensor info, really just a microcontroller? I've included a graphical representation of what I'm thinking.
Thanks tigger I am not planning on really hacking the calculator, I just would like to be able to run programs off of it and be able to use the LCD screen to look at data real time, like you would be able to do on a more expensive microcontroller with an LCD built in. This link http://www.smallrobot.com/school.html and http://www.smallrobot.com/scimath.html is almost exactly what I want to make except that the Norland Reasearch robot only drives around, it cant receive sensor information. I just thought it would be neat to use a TI calculator incorporated with a robot, but maybe I'm wrong and it would be easier just to use the base microcontroller. Thanks for the help.