Tag Archives: robot

Grisbot in Acrylic

Here’s Grisbot in baby-blue acrylic. I was hoping to laser-cut it tonight at StudentRND but after getting into the design work I realize that I probably won’t be ready until next week at the earliest. At any rate, at least … Continue reading

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Grisbot II design

This is a double-decker design which: (1) secures the servos to the chassis (with bolts/screws not shown) (2) renders the breadboard more accessible (3) uses dual sensors This one probably won’t be built, but it’s on the way to something … Continue reading

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GRIS bot photos

Here she is, the integrated prototype. Note the cowling is fastened on the back and that the breadboard has just the ATMega328, not the whole entire Arduino board. An overhead view showing the arrangement of the servos, wheels, breadboard, and … Continue reading

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Assembling a Mintduino

I’ve been assembling a Mintduino, which is a breadboard version of an Arduino. The above photo shows me about midway through the process. The Mintduino case is a mint tin, hence the name. The case holds the electronic components shown … Continue reading

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GIRC Robot Preliminary External Design

I’m still attempting to integrate the servo command sketch with the flash communication sketch, but I figure it’s time to start thinking about the external design of the robot. I plan to use a laser cutter on thin wood, with … Continue reading

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GIRC Demo

On Saturday I made a brief presentation of GIRC at the monthly meeting of the Seattle Robotics Society. I demonstrated drawing the course and running it, as seen in the video above. Where to now? I want to program with … Continue reading

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GIRC Robot Calibration Run

It’s Calibration Run Time here at GIRC Central. First we run GIRC and load in a path file of a square, fifty centimeters on a side, like so: We click Transfer and program the robot, then set it down on … Continue reading

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Computer/Arduino Communication Via Phototransistor

Here’s the basic idea: I’ll send commands to the Arduino by flashing a rectangle on the screen and having a phototransistor on the Arduino read the light level. The above photo shows the test bed set-up. This is very similar … Continue reading

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Robot Chassis with Plastic Ball Caster

This is the 1″ plastic ball caster that I ordered from Robotshop. The white ball pops out of the black holder, which has three bolt holes to secure it to the robot chasis. I positioned the holder on the wooden … Continue reading

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Casters for a Small Robot

Poor little cheapbot is undergoing surgery this week. The purpose is to change the caster wheel, but in the end the whole chassis will be replaced. Because I’m trying to build my ‘cheapbot’ robot out of readily available parts, I … Continue reading

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