Telepresence Zen Garden

Arduino Craft & Design Home Workshop
Telepresence Zen Garden
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Harford Hackerspace’s Telepresence Zen Garden looks awesome! Such a great idea.

For this year’s RedBull Creation competition, we had to incorporate a ‘Bullduino’ into the project of our choice. What is a Bullduino? It’s essentially an Arduino Uno shaped like the RedBull logo. So, we came up with the idea of creating a Telepresence Zen Garden. Sounds simple right? Well, it was actually more difficult than it sounds.

We created a user interface in Flash which allows the user to draw lines on a canvas. That data is uploaded to a web server and stored into a MySQL database. There is a queuing system written in PHP on the web server. The queuing system keeps track of the order in which the drawings are submitted and it is responsible for keeping the buffer full on the Bullduino.

The Bullduino is connected to a rail of power mosfets to control turning on and off 8 banks of Red and Blue LEDs. It is also connected to 2 stepper motor drivers, 2 servos, and 4 limit switches. The limit switches are used to zero out the XY table and prevent damage to the machine should something go wrong.

[via MakerBot]

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My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net

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