This is a really interesting prototype of an augmented reality device. I like the use of so many 'simple' components to make a relatively cheap, yet powerful, modeling tool. It wasn't that long ago that this would have been either technologically impossible, or was cost prohibitive.
More about Augmented reality with Arduino
In the Maker Shed:
Make: Arduino
Got a nice Arduino project that needs to be battery-powered, but you want it to keep running for a long time?
Well, the fine folks at Lab 3 might have just the solution for you. They hooked up a photoresistor and a buzzer to an Atmega 168 microcontroller running Arduino to make a digital nightingale. The chip is put to sleep after every light measurement, and the built-in watchdog timer is used to wake it up again 8 seconds later.
By doing this, they estimate that they can increase the battery life of the project (powered by 3 AA batteries) from 4 days to about 3 years! I hope they're letting it run to see how long the batteries actually last.
See the project website for an explanation of the circuit and a copy of the source code.
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The WUSF Radio Reading Service broadcasts from studios located on the Tampa campus of the University of South Florida and are heard by about 5,000 listeners in West Central Florida.
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