Re: My Robot Design

-Guess Who- wrote:
Ok I think I will go with the differential system, Yes I have two motors so
how would you make that, I will just use the front wheel as a castor for
balance, Why would I need a micro-controller?

You don't *need* a microcontroller if you're using regular DC motors
(and not R/C servo motors) for the drives. You can hook up wired
switches as a test. This lets you "drive" the robot around the room with
only you controlling it. You need double pole, double throw switches
with a center off position for this. Use Google to look up how to wire
up these kinds of switches to a motor, or look on page 256 of the Second
Edition of my book, Robot Builder's Bonanza for a picture.

(Go to Amazon.com here: http://www.amazon.com/gp/product/0071362967/,
click the Search Inside This Book link, type in "dpdt" -- no quotes --
as the search string, then find the lnk to page 256.)

When you tired of manual control you can use whatever control circuit
you want, which may indeed include a microcontroller. You will, of
course, also need a motor driver circuit, which provides the current
needed to operate the motors. But worry about that after you get the
robot built.

-- Gordon
.

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