Category Archives: Uncategorized

Assembling Goldie the Grisbot

Posted on March 23, 2013 by engineerzero

Here are the parts laid out for ‘Goldie’ the Grisbot. I call her Goldie because her acrylic casing will be yellow, and ‘Yellowy’ doesn’t quite work as a name for a vivacious young lady. First step is to place the … Continue reading →

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Phineas and Ferb Fan Fiction

Posted on March 21, 2013 by engineerzero

Phineas and Ferb are about two of my favorite topics, humor and engineering. A couple years ago, I decided to write some fan fiction in the format of the show. Here are the stories: Candace’s Little Helper. Candace discovers Candroid … Continue reading →

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Sketchup-to-SVG problem

Posted on March 16, 2013 by engineerzero

I seemed to have discovered an interface problem between Sketchup and the SVG plug-in. Here’s the part that I wanted to convert into SVG format: Not that complicated right? But here is how it appeared after I exported to SVG … Continue reading →

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Grisbot revisions for prototype 2

Posted on March 15, 2013 by engineerzero

I plan to build the second prototype today, and here is what it should look like: Wheels will use rubber bands instead of gaskets (saving $1 each wheel): Holes in the lid will enable a wire ‘hoop catcher’ to be … Continue reading →

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Grisbot in Scratch with obstacle

Posted on March 13, 2013 by engineerzero

A video demo of another challenge course with Grisbot: Here’s some detail on the screens:

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Grisbot in Scratch Demo

Posted on March 12, 2013 by engineerzero

You’ll have to view the video here, because for some reason Youtube has overwritten the embedded link for this video with the one for the obstacle video.

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grisbot catch and release slide show

Posted on March 11, 2013 by engineerzero

This gallery contains 11 photos.

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Grisbot Catch and Release

Posted on March 9, 2013 by engineerzero

Introducing the new, perhaps improved, L-catcher: Why an L-catcher? Because I think it can be used to not only catch but also release hoops. Here’s an example course for how releasing (aka ‘delivering a hoop’) could work: First we drive … Continue reading →

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Grisbot Hoop Capture Challenge

Posted on March 8, 2013 by engineerzero

Grisbot not only maneuvers, now it can capture and retrieve objects. At any rate, I’m thinking of making a hoop capture challenge. Roughly, the hook device and the capture operation look like this: Because the hook automatically captures the hoop, … Continue reading →

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Program revision bookmark

Posted on March 5, 2013 by engineerzero

The grisbot program written in the Arduino IDE has grown to 20K, or about twenty typewritten pages. It takes many sessions to write the code and then to revise it. When I take a break and come back later, how … Continue reading →

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