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

WheelEncoderSimulator

Simulator for the wheel and encoder system contained on muribot. Demonstrates how we take the encoder ticks and translate them into speeds. For some reasons the speed will keep increasing on here, I'm not sure why, so copy the code into a new sketch instead of using OpenProcessing.

http://www.moarobotics.com

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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