Hi im newbie and dont know anything about electronics but i would like to build something for my grandpa since he is disable and on the wheelchair all the time. he likes to read and got lot books and has big bookshelf in his room.
i want to build a frame by using steel with “Y” height 3 meter and “X” length 6 meter. with moving robotic hand on it so it can grab the book.
1 motor on X forward and back and
1 motor on Y to move up and down.
and the chip control X and Y and i can program to control where i want it to go to grab the book.
im thinking i need 2 stepper motor and 1 chip to do this and a robotic hand or something to grab the book.
what kind the motor and control chip should i buy and what kind the robotic hand should i buy
My thinking is that you need to find another way to accomplish your goal. Books are various sizes and may not go back exactly in their proper place. To robotically grab a book will require not only the servo-mechanisms you describe but guidance from some computer vision because the desired book may not lie at it’s exact expected X position… My guess is that this is all more than you can do given your experience level. Let’s see what others have to say.
But I think it can still be done. Think along the idea of a vending machine but now each slot holds a book to be dispensed. Slots might be one of a few different sizes but the idea is that each slot can eject it’s book onto a common conveyer of some sort which brings the book to a single spot for easy pickup. This way there’s no gripper to be guided, just an “ejector” for each slot. Perhaps an ejector might be combined with your gripper for delivery ?
I agree with Mac on some aspects. Books come in many different sizes and weight. Weight being the priority. Weight will determine the size and strength of the motors you need. You need to weigh the heaviest book and construct from those guidelines. Next would be accuracy. How thick and how thin the books are. Then you would need a gripper so it can pick the thickest and the thinnest of books. Once you get the basic movement, you can start on precision. Coming up with an idea that will have the gripper pick the right book. Since books are thick and some are thin, the X and Y system may work but I would look at other possibilities that may be cheaper or more efficient.
I will say that is no trivial task. It’s not a weekend project. This will take weeks if not months to finish. Since you are new to electronics, start with something small, like getting a stepper motor to move then work up from there.
I am thinking of a rack and pinion system with stepper motors to get precision.
I suggest you start searching Google for possible projects that relate to yours. I am pretty sure someone has a post about some X and Y system.