Monthly Archives: July 2012

Dual sensor test rig

This week I’ll be testing a new screen-reading protocol for Grisbot, involving two sensors. For that I’ll need a test rig. It will be contained in a box — Pop Tarts is the prime candidate — to be held up … Continue reading

Posted in Uncategorized | Tagged , , , , , , , | Leave a comment

Robot Revision

Grisbot continues to evolve as I learn more about how everything goes together. According to my count, on the right is Grisbot Design #5 in Sketchup. It’s a little bit shorter, and about an inch wider than before. I think … Continue reading

Posted in Uncategorized | Tagged , , , , | Leave a comment

Grisbot in Acrylic, Assembled (sort of)

It looks nice in this picture. But there are big problems. I won’t show the video; it’s way too embarrassing (and I’m wondering how I got the robot to turn so precisely a few months ago!). Even though I trimmed … Continue reading

Posted in Uncategorized | Tagged , , , , , , | Leave a comment

Shortening Servo Wires (aka ‘Cables’)

My robot looked so nice in Sketchup, but that’s because I omitted the wiring. As you can see from the above photo, the servo wires just don’t fit even though I’ve trimmed them once already. I also had to solder … Continue reading

Posted in Uncategorized | Tagged , , , , , , , | 1 Comment

Post Laser Cut Checkfit

The first laser cutting for Grisbot went smoothly and the blue acrylic is beautiful. Now let’s do a checkfit as the Sketchup design encounters the physical world. Here are the pieces snapped together: No problem here. The pieces come together … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , | 1 Comment

Grisbot to be laser-cut (a guided tour)

Finally, the Grisbot’s acrylic casing is being laser-cut, possibly even as we speak. Here is a guided tour in Sketchup of what may actually come to be by the end of this week, starting with the front view: The ruler … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , , , , | Leave a comment

Laser Cutting the Test Box

Here was the test box as designed in Sketchup: Here is what the SVG file looks like: And after a visit to StudentRND, here is the laser cut box in MDF and acrylic: You’ll note that I’m only using two … Continue reading

Posted in Uncategorized | Tagged , , , , , | Leave a comment