Atmel AVR HACK - Temperature Controller using Microcontroller AVR
Check out the Atmel AVR temperature controller hack, although I made a better one last year that can be controlled via ethernet, the case looks awesome!
Wine doesn’t like subzero temperatures, and during wintertime, my “winecellar” got pretty cold.
There was an electric heating element, but the thermostat was broken, so it was either full burn or nothing.That’s how the temperature monitor/controller came to be.
It was an obvious task for a small processor and I’ve always wanted to test the Dallas temperature sensors.So, I designed this little device which could monitor the temperature and control the heater.
via Aboutmicrocontroller.blogspot.com
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Loading ...DIY HACK PROJECT - Audio Spectrum using an Atmel AVR MCU!
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Wow, check out this cool audio spectrum analyzer you can make using an Atmel AVR MCU! Well, I’ve always wanted to make one of these but finally found it at HackedGadgets!
This is an experimental work to monitor a spectrum pattern in radio band, and is a continuous project from Audio Spectrum Monitor. To analyze the spectrum of an input signal, I chose an Atmel AVR microcontroller that used in the Audio Spectrum Monitor to process FFT. When think it easy, it can be thought that sample an input RF signal directly and analyze it will do. However, you will able to recoginize that there are some techinical difficulties from following reasons.
via 
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