Tag Archives: projects

Electronic Door Lock Evolution

Two years ago, before Lockitron and all of its competitors arrived, I went to college. During college, I created many prototypes of an electronic door lock that I detail below.

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Bike Lights Design

Lights are a necessity if you are going to be on the road at night. This applies to anything that moves–car, bike or pedestrian. I will document how I compared designs and settled on assembling a design based on Revolights for about $40/wheel. I call them SparkleLights.

 

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Arduino-based Point-of-sales system

I made a point-of-sales system using Arduino, a receipt printer, a 20×4 LCD and a keyboard on October 13, 2012. I thought it would be a good exercise for me because I really wanted a reason to use the Adafruit receipt printer and I would have an example of an embedded systems project that was complicated enough to require a state machine. I’ve documented all the hardware and software below.

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