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This is a detailed tutorial on how to realize a robot starting from scratch, and giving it the ability to navigate autonomously in an unknown environment.
All the typical arguments involved with robotics will be covered: mechanics , electronics and programming .
The whole robot is designed to be made by anyone at home without professional (i.e. expensive) tools and equipment.
The brain board (dsNav ) is based on a Microchip dsPIC33 DSC with encoder and motor controller capabilities. The position is computed by odometry (encoder) without any external reference (dead reckoning).
In the final version some other controllers are used to control sensors (Arduino) and to manage analogic sensors (PSoC).
All the typical arguments involved with robotics will be covered: mechanics , electronics and programming .
The whole robot is designed to be made by anyone at home without professional (i.e. expensive) tools and equipment.
The brain board (dsNav ) is based on a Microchip dsPIC33 DSC with encoder and motor controller capabilities. The position is computed by odometry (encoder) without any external reference (dead reckoning).
In the final version some other controllers are used to control sensors (Arduino) and to manage analogic sensors (PSoC).
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Signing UpStep 1The Basic platform
An example of how to build up a very simple robotic platform with components and parts easy to find everywhere, without the needs of professional tools or equipment, and without a special skill on mechanical works.
The size of the base allows its use in many different categories of robotic contests: Explorer, Line Follower, Can Collector, etc.
The size of the base allows its use in many different categories of robotic contests: Explorer, Line Follower, Can Collector, etc.
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http://www.solutions-cubed.com/solutions%20cubed/Products%20Page/Downloads/ER_DS_7.pdf
http://www.robot-italy.com/product_info.php?cPath=8_9&products_id=282
with two encoders:
http://www.robot-italy.com/product_info.php?cPath=8_9&products_id=285
two hubs:
http://www.robot-italy.com/product_info.php?cPath=8_9&products_id=398
two supports:
http://www.robot-italy.com/product_info.php?cPath=8_9&products_id=404
two wheels:
http://www.robot-italy.com/product_info.php?products_id=111
There are many other kinds of motors too:
http://www.robot-italy.com/index.php?cPath=8_9
I've chosen that one because it is a 12V motor. It means a lower current than a 7,2V motor so a cheap H-bridge, less loss of power on wires and connectors: a simpler management.
Also for the wheels we have a wide range:
http://www.robot-italy.com/advanced_search_result.php?search_in_description=1&keywords=ruote&sort=3a&page=3
but those one have a very narrow point of contact with the floor, so a better precision with odometry.