Columbus, Ohio, USA
member since May 14, 2011
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portfolio of
Michael Stone

Frequency Selected Sound Energy Beat
Detection

A dead simple implementation of the Frequency Selected Sound Energy Bead Detection B in Game Dev's Beat Detection article. Less than 70 lines including visualizations! Woot!

GW Gravity Well Particle Effect

I figured out how to do the geometry wars gravity well effect. This is a processing demo of the code I used to derive the effect.

Discrete Fourier Transform

Just a simple 400 point DFT. You can increase/decrease the sine with up and down. starts at 12hz and increase up to 12hz, and down to 0hz.

PID Toy

A toy to play around with PID values. Allows adjustment of Dt, Kp, Ki, and Kd. Click anywhere to change the setpoint.

Quadrature Encoder

This is a quadrature encoder based on the WW-12 Wheel Watcher encoders built for robotics. They cost nearly 50 bucks for two of them, so we're designing our own. This is a virtual encoder that allows you to see the signal and test different encoder disk styles and sensor arrangements.
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