Quantity   Component name
1 × ATMega328 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × Bluetooth module (HC-06)
12 × 1M resistors
1 × Battery holder 3xAA
2 × 22pF capacitors
1 × 100nF capacitor
1 × 16 MHz crystal
1 × Protoboard
1 × box for enclosure
12 × banana plugs, binding posts and wires
1 × 100uF capacitor
1 × VS1053B chip (or sparkfun musical instrument shield)
1 × speaker