SmallBot
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introduction | platform | motors | batteries | third 'wheel' | second level
computer | sensors | interfacing | programming | parts & suppliers

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step 1. platform


Step 1.

The SmallBot platform consists of two plexi-glass discs. Both are 5 1/8" diameter, and one is cut with slots for the drive wheels. The bottom disc holds the motors, and batteries. While the upper disc (full circle) holds sensors, the microcontroller, and anything else you might need. The two layers are separated by (2) 1" spacers on each corner.

First you'll need to make the 2 levels of the platform. In order to do this, find yourself a sheet or two of plexiglass. I used 1/8" clear plexiglass, but a thicker size will do (try not to get thinner than 1/8" because it'll bend too easily.) Of course, if you can't find any plexi-glass, any other similar material will do (maybe wood, aluminum, etc..)

Once you have your sheets of material, you will have to cut it to size. Use the templates below. These are full size, so you only have to affix these to the plexi-glass (or whatever material you are using) and then use a coping saw, or scroll saw to cut out the pattern. You can use rubber glue to affix the printed template to the plexi-glass.

The templates for the platform are below.

You will need to save these images to disk, and then open and print them out in a good graphics viewer. Otherwise they may not print out full size.
Note: they should print out to be 5 1/8" circles.
Bottomtop
I used these templates to cut out the platform, using a jig saw, and 1/8" plexi-glass.

levels one and two


introduction | platform | motors | batteries | third 'wheel' | second level
computer | sensors | interfacing | programming | parts & suppliers





Site by Andrew Wilson. Copyright 1997-2006 All Rights Reserved unless otherwise noted.
Schematics in Schematics Depot were found on the internet and assumed to be in public domain. Contact webmaster if the copyright holder wants them pulled for any reason.