The Rhythm Jogger Kevin Nichols Kai Hsu Peter Liang Rhythm Jogger Just four easy payments of $9.99!!!

Proposed Goal Our original plan was to make a jogging device that can do the following:  Play music and change tempo of the music depending on the user’s jogging pace.  Display useful information on LCD display.  Allow user to download songs from PC and select songs to play on the device.  Heart monitor extension.

Original Design

Major Issues Resolved  Using two 89C55 chips to solve timer interrupt issues.  Midi file parser and timing algorithm for sending midi bytes.

Unknowns Known Now  2g and 10g accelerometers don’t matter that much in our data extraction routines.  Getting data input from keypad and display data on LCD display.  Operating system is not needed.

Design Changes  Two 89C55 chips. One sends midi bytes to the Atmel Dream chip without getting interrupted. The other one interfaces with the accelerometer, keypad, and LCD display.  Instead of matching the foot steps with drum beats, it will only match the jogging speed to the music playing speed (tempo).

Current Circuit Diagram

What Now  Implement what will be displayed on the LCD display.  Decide what functions each button on keypad should do.  Implement song selection.

Demo  Similar to the Affiliates Demo.  Circuit is too large to jog with.  May use a longer wire and attach the accelerometer on hip.  Improvements with keypad and LCD display.  Song selection will be included also.