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Author Archives: gregorykimball
Shift registers and Voltage display
I’ve been having great fun with the Arduino Uno microcontroller board. Here I’ve got the Arduino using a shift register to light up a 7-segment display output.
Posted in Electronics, Solar
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Cars.com Data Miner
Need to organize data from the web? .NET framework has you covered.
Side by side automobiles
I just bought a new car. It’s a 2012 Volkswagen Passat, and for a few brief months I will be the legal owner of two automobiles. I thought I would snap a picture while I actually owned two clean automobiles….
Posted in Cars
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Heater Core Bypass
It turned out that there were only two MUST-DO items: pass a smog check and bypass the heater core.
Posted in Cars
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So many cars!
Well, this time I decided to do some data mining on Cars.com to help me figure out what is going on with new and used cars in the area. A little html parsing magic later, I was able to survey all of the new and used cars available in my target class: midsize sedans.
Samurai II
I’ve been working on resurrecting my original Samurai game, except using some respectable 3D graphics, better user input and more realistic physics. Samurai II is in the works.
Posted in Software
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Samurai!
The game was a project for me in 2004 using some very poor graphics library in C++ but despite its technical shortcomings… IT WAS AMAZING!!!
Posted in Software
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Rock candy
The first step is to prepare a saturated solution of sugar in water. I was surprised to discover that about 2 cups of white sugar dissolve into 1 cup of water. Don’t forget the blue food coloring!
The second step is to cool the solution very slowly back to room temperature. I recommend performing the cooling step over 2-3 hours. I used nested pots to control the temperature: the larger pot contains water and the smaller pot contains the saturated solution.
The third step is to remove the crystals from the saturated solution and wash off the syrup to yield the dry, brittle final product. It took me a hammer and a few screwdrivers to get the biggest crystals out, and then an overnight air drying before the rock candy was ready to go.
Boom! Instant meth! Continue reading
Posted in Home projects
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Introducing Abella
Sound and light!
http://www.youtube.com/watch?v=ccJRsY-8vOs
Here is some footage from early hardware development of “Abella,” my Arduino-powered electronic instrument. Yes, it is in a shoebox, and yes, the control knobs are popped through the cardboard. Continue reading
Posted in Electronics, Music
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Gregory Kimball 