Tag Archives: minigris

Robot Sentry Duty

Obviously, there’s going to be course error buildup. I don’t think encoders would help that much. I’m thinking of navigation beacons, like so: (Maybe infrared? Hmm . . . . ) Advertisements

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Servo Center Location Test

It looks like the climactic scene in a monster movie, Arduino vs. Bot. In reality, this setup enables me to keep the ATMega328 chip on the Arduino while I upload test programs to locate the servo centers. According to the … Continue reading

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Minigris test matrix

Since minigris did not perform as hoped, I’ve had to go back to basics and rebuild the circuit, testing at each stage. Hence a test matrix, where I build the circuit with a component added, write a test program, test … Continue reading

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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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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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