Presenter: Wan Qi Choo

 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

1.Four concatenated Button Pads -shift register SN74HC164 -digital output and input pins

2. 64 RGB LEDs -Three AS1115 LED drivers for three colors -V DD = 2.7 V – 5 V -I 2 C

3.12-bit DAC MCP4921 -V DD = 2.7 V – 5.5 V -SPI module -audio sampling rate = 44.1 kHz 4.MIDI -EUSART -serial data rate = kHz

5. 3-axis accelerometer ADXL335 -V DD  3.3 V -3 ADC input channels

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