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Tone Matrix Music Box ECE477 – Team 17

Tone Matrix Music Box ECE477 – Team 17. Presenter: Wan Qi Choo. Project Overview. A music synthesizer that uses the 8x8 grid of 64 buttons as its user interface to produce sound and emit light. 3 music playing modes: Sweep mode Gravity mode Memory mode 3 kinds of sound effects:

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Tone Matrix Music Box ECE477 – Team 17

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  1. Tone Matrix Music Box ECE477 – Team 17 Presenter: Wan Qi Choo

  2. Project Overview • A music synthesizer that uses the 8x8 grid of 64 buttons as its user interface to produce sound and emit light. • 3 music playing modes: • Sweep mode • Gravity mode • Memory mode • 3 kinds of sound effects: guitar, piano, and drum beats

  3. Major Subsections Four concatenated Button Pads -shift register SN74HC164 -digital output and input pins

  4. Major Subsections 2. 64 RGB LEDs -Three AS1115 LED drivers for three colors-VDD = 2.7 V – 5 V-I2C

  5. Major Subsections • 12-bit DAC MCP4921 • -VDD= 2.7 V – 5.5 V -SPI module • -audio sampling rate = 44.1 kHz • MIDI • -EUSART • -serial data rate = 31.25 kHz

  6. Major Subsections • 5. 3-axis accelerometer ADXL335 • -VDD 3.3 V -3 ADC input channels

  7. Major Subsections • 6. LCD displays • -shift register SN74HC164 • -digital output pins • 7. Six push buttons • -digital input pins

  8. Microcontroller

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