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Tone Matrix Music Box

Tone Matrix Music Box. ECE 477 Senior Design - Group 17. Presenter : Jun Jun Peh. Project Abstract. An 8x8 grid-based music synthesizer made with a button pad at the top and some LEDs at the bottom Produces sound and emits light (LED) when user touches the buttons

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Tone Matrix Music Box

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  1. Tone Matrix Music Box ECE 477 Senior Design - Group 17 Presenter: Jun Jun Peh

  2. Project Abstract • An 8x8 grid-based music synthesizer made with a button pad at the top and some LEDs at the bottom • Produces sound and emits light (LED) when user touches the buttons • 3 music playing modes: • Sweep mode • Gravity mode • Memory mode • Several different types of sound: guitar, piano, and drum beats

  3. Block Diagram

  4. Microcontroller Design Constraints I/O pins – 42 pins Low Power Consumption Memory – 64K ATD channel – 3-axis accelerometer Interface - SPI, SCI Low Price Small Size Optimized for C-compiler & more resources

  5. Microcontrollers Comparison

  6. Questions?

  7. Project-Specific Success Criteria 1. An ability to respond to touch by producing sound and emitting light. 2. An ability to memorize past note events and to play the selected tones in a sequence set by the user. 3. An ability to utilize an accelerometer to detect the inclination and direction of the device so that the pitch and tempo of music can be changed. 4. An ability to load various sound effects such as guitar, piano and drum beats from the internal memory of the microcontroller and to play out the sound. 5. An ability to send the musical tones out to a computer through MIDI-USB protocol to be saved as a file.

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