Monthly Archives: December 2012

Mini gris on a mini breadboard

Here is the wiring diagram for the mini gris mini breadboard. As soon as I post it, I’ll realize there’s something wrong. So we may as well get it over with.

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Minigris Assembly Begins

I went to Metrix this afternoon (Thursday) and got the acrylic cut, and then I rushed home and attempted to assemble the robot. Here are the pieces with the protective wrapping still on them: Ten minutes later, I’m still peeling … Continue reading

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Grisbot test rig

When I finished assembling this test rig on late Tuesday night, I sat back and stared and realized that maybe I’ve actually accomplished something. Such a weird feeling! The test rig is mounted on a small kitchen chopping board that … Continue reading

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PC to Arduino to LED Control, Source Code

Due to popular demand, here is the source code for my blog entry, “PC to Arduino to LED Control.” First the Processing Source code: // ButtonProc // Make a button on the screen that can be clicked // and cause an LED to turn on and off in synch on  // the Arduino.  Used in conjunction with ButtonArd. //  import processing.serial.*; Serial myPort;  // Create object from Serial class int val; // … Continue reading

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Robot assembly order is important

When I attempted to assemble the first laser-cut casing for grisbot, it was a learning experience. In particular I learned that design has to accommodate the assembly process. So that’s what I’m trying to anticipate with minigris. For example, in … Continue reading

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Mini Grisbot with tabs and slots

Here’s an expanded view of mini grisbot. I tried to learn from previous experience and incorporate design changes accordingly. Indeed, this design is probably going to change as well. Just so we’re clear, minigris is a very small robot:

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Mini Grisbot in Sketchup

It’s about three inches long by two and a half wide. Driven by two micro servos, controlled by an Atmega328 microcontroller. I think I’m about ready to put in slots and tabs and take it to the laser cutter.

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