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2 Responses to “Turning on/off lights by whistling (Cortex M4 @ 80FFTs/sec)”
Jack: Honesty is based upon objective fact, and truth upon perception which is invariably subjective. Therefore be honest, and let history make its own decisions.
Definitely the right way, but not the only way. Has been done before, Check this out.
http://befinitiv.wordpress.com/2012/04/01/control-your-home-devices-by-whistling/
He is doing his FFT based detection on a Linux PC coz he is using a Attiny to control the lights.
Will try it out with my TI Staunchpad one of these days.
“The project is obviously open hardware/source”
…except for his algorithms he used to actually detect the whistling :(
To prevent “bad quality copies that may appear later on dx-like websites.”