Category Archives: Uncategorized

Why fuzzy logic?

Fuzzy Thinking: The New Science of Fuzzy Logic I found this book at Goodwill over the summer and I’ve always wanted to know about fuzzy logic so I decided to read it. Since I do a lot of stuff with … Continue reading

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Memory Palaces and Arduino Park

A couple years ago I spent some time in Sketchup designing a 3D model of the Arduino Uno. Then I thought, “Why not magnify it a thousand times and have a guided tour?” Hence, Arduino Park: The video turned out … Continue reading

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The Case for Personal Rapid Transit

Going from LA to San Francisco in only thirty minutes is not that much an improvement in convenience if it takes an hour on each end of the trip to get to and from the hyperloop station. The real transportation … Continue reading

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Converting a micro servo to continuous rotation

Say you want to build a small robot, but you soon discover that DC motors move too fast and geared DC motors are too expensive. Then you hear about servos. Servos are basically geared DC motors, and microservos seem just … Continue reading

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Activity Report: Remote Control Machines Kit

The Thames and Kosmos Remote Control Machines Kit proved to be popular at the Big-Brained Superheroes Club this past Wednesday. The kit is a lot like LEGO and the kids quickly caught on to how the assembly diagrams work. We … Continue reading

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Kits and Games for Big-Brained Superheroes

For years now I’ve been collecting kits and other stuff that I haven’t been using. So I thought, why not let Big-Brained Superheroes use it? I’m willing to donate everything but the games, and I want to hold (no pun … Continue reading

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From Scratch to Arduino Test Bed

In my last blog entry, I created a new graphical interface in Scratch for transmitting data to the microcontroller on the robot. Tonight I verified that the Scratch program is able to communicate via screen flashes with the Arduino test … Continue reading

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Grisbot screen interface for light track

You know, time just flies when I’m doing graphic design. I sure wish I was good at it. Anyhow, the above screen shows the graphical interface (in Scratch) for programming the robot in ‘light track’ mode. 0a: Specifies the distance … Continue reading

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Grisbot (S3) follows the light

Poor Little Grisbot S3, I misprogrammed it this morning and instead of going forward it went backward — and off the table onto the floor. Despite landing upside down, it worked all right once I unbent the photocell leads. Anyhow, … Continue reading

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Grisbot Model S3

This is basically a wood and glue robot, but it’s sturdy enough for running around a tabletop and that’s what counts. As you can see, it’s also quite small — not much bigger than an Arduino or a computer mouse. … Continue reading

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