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Facebook Arduino Lamp
Overview I built an arduino project that monitor’s Facebook online status (the chat app in the lower right when you are on the facebook page). It lights up bright when someone is Online, dimly lit when...
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Sparkfun Onslaught
Sparkfun had their free day today. I tried to nab some stuff but their servers were too busy and I couldn’t sit there and refresh all day (what am I idle rich?). I just happened to have an order...
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Arduino Sessions
Hacking around with sparkfun shipments and components. I got a starter set with a box. Included a 7 segment led. Got it to display the number 4. Moved on to a capcitor test. Arduino playground has a...
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Ethernet2 Arduino Library Fix on 0017
Ethernet2 lib. It’s a lighterweight and better Ethernet class. Head into your ~/Documents/Arduino/libraries (or Windows equivalent) and checkout the SVN project: $ svn co...
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Basic 555 timer Arduino project
I put together the arduino protoshield from sparkfun. Excellent instructions at atomicsalad. Even though it’s a standard through-hole kit, atomicsalad’s instructions were nice to follow along. After it...
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Arduino command protocol
UPDATE: Use CmdMessenger instead of Messenger. Here’s my IRC Arduino Bot. It uses a regular Arduino 328 and an Ethernet Shield both from sparkfun. As for software, I’m using the Ethernet2 library (see...
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Arduino Cat Faucet with Mongodb and Rails
I built a robot arm for my cat during a month-long geekcation. :) Here are some shots of the web interface. The graph shows the percentage of the day that she drinks. Final hardware rig Background My...
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Lego mount for Arduino
I got to thinking (that’s another story) about the old Technics set that I had when I was a kid and how useful it would be if I could tear down and build things without having to hacksaw stuff (i.e....
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Arduino Mini and Raspberry Pi GPIO wonderment
A group of us were wondering about this new Arduino Mini I got. How is it powered? This turned into a question about the Raspberry Pi and how it compares. The Pi runs Linux but you have the GPIO pins....
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