Quantity   Component name
1 × Arduino Nano R3
1 × WS2812 RGB Led Matrix 8x8
1 × Oled Display SSD1306 128x64
1 × Rotary Encoder with Push-Button
1 × Linear Regulator (7805)
1 × Pushbutton Switch, Momentary
1 × LED (generic)
1 × Resistor, 470 ohm
1 × PAM8403 D-Class Amplifier module
2 × Battery, 3.7 V
1 × Headphones
1 × Bone conductor hearing oscillator