Graham Chow
Published © MIT

Spooky Keyboard

This is a Halloween practical joke "keyboard" that when you play a "ring tone", it mysteriously writes spooky.

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Spooky Keyboard

Things used in this project

Hardware components

microphone module
×1
lowpass filter components
×1
EK-TM4C123GXL TM4C Tiva LaunchPad
Texas Instruments EK-TM4C123GXL TM4C Tiva LaunchPad
×1

Story

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Code

code

C/C++
does not include FFT code, not sure about the copyright on it.
No preview (download only).

Credits

Graham Chow

Graham Chow

14 projects • 70 followers
I'm a software developer on a long sabbatical. I've had wide experience from banking to underwater military sonar systems.

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