Tag Archives: robotics

Micro Servo Gear Pry Tool

Posted on April 5, 2013 by engineerzero

In the process of converting a micro servo to continuous rotation, it is necessary to open the housing and pry the gears off the servo base one at a time. However, my fingers are just too big and clumsy to … Continue reading →

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Metric Blue Test Phase

Posted on April 3, 2013 by engineerzero

A quick trip to Vetco this morning, and I got some 22uF ceramic capacitors to replace the electrolytics that I was using in Metric Blue’s circuit. The LED blinked on cue. Success! Then the screen read test was getting error … Continue reading →

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Grisbot in metric

Posted on March 28, 2013 by engineerzero

I decided to completely redraw minigrisbot in millimeters instead of inches, and it went much, much faster. Friends don’t let friends design robots in English units. (Pouring ale is another matter.) But why re-design something that’s already designed? In case … Continue reading →

Posted in Uncategorized | Tagged grisbot, metric system, robotics, sketchup, svg | 1 Comment

Grisbot with new courses

Posted on March 27, 2013 by engineerzero

Here are three obstacle courses, which can be selected by choosing the corresponding icon at the top of the screen: I’ve been thinking about adding different modes, such as following a flashlight beam. If you have any ideas for what … Continue reading →

Posted in Uncategorized | Tagged courses, grisbot, robotics, scratch | Leave a comment

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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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 →

Posted in Uncategorized | Tagged catch, grisbot, l-catcher, release, robotics | Leave a comment