9: Output Devices





Hiro(ya) Tanaka
htanaka(a) sfc.keio.ac.jp






9-1 Fabduino

Thanks to Ed, I made Fabduino (ver0.2) this week.
Ella's diagram is also very helpful. Also I would like to say thank you to Huang. He often encouraged me and gave me a help.


9-2 PWM and Noise Cancellation

With regard to this week's assignment, my idea is a simple experiment of noise-cancelling with two speakers.


This is a simple code for generating original phase and inverted phase.

The result is....

Not good. It's simply because acoustic problem. Noise Cancelling is not so easy. Wmm...How can I get Directional Speakers in Boston?