sald-a-boom

• Bontempi Baby Saxophone (first sax toy I found online)
• Arduino MKR ZERO (low power, SD card slot, enough pins, ArduinoSound lib available)
• MKR Proto Shield
  • 2x 1Nxxxx diodes
  • 4x 220 Ohm resistors
• MAX98357 breakout board (I2S audio aplifier)
• MAX4466 breakout board (electret microphone)
• 10 KOhm potentiometer
• LiPo Battery

Connections

• MAX4466 breakout board
  • GND: GND
  • VIN: VCC (+3V3)
• MAX08357 breakout board:
  • GND: GND
  • VIN: VCC (+3V3)
  • LRC: 3
  • BCLK: 2
  • DIN: A6

Usage

Config mode

1. Keyboard mode (push and play)
2. Sax mode (push with air pressure to play)
3. Loop mode (loop or pause)
4. x
5. Bank 0 (from TRACK_01.WAV to TRACK_08.WAV)
6. Bank 1 (from TRACK_11.WAV to TRACK_18.WAV)
7. Bank 2 (from TRACK_21.WAV to TRACK_28.WAV)
8. Bank 3 (from TRACK_31.WAV to TRACK_38.WAV)