Wednesday, March 7, 2012

The Future of Wah

A group of students at Purdue University's School of Mechanical Engineering have developed the Ghost Pedal. The Ghost Pedal attaches to the guitarist foot and uses two variable resistor sensors to relay the rocking motion to a micro controller that controls the potentiometer in the all analog wah pedal. It has 3 settings including a calibration mode, in which it learns your "sweep", a freeplay mode for actively using the pedal, and a sustain mode, which pauses the freeplay mode so you can move around.  Of course you could attach this to other effects like distortion or a rotary circuit  but the wah is the obvious 1st choice. Learn more about the project here.

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