Quantity   Component name
1 × LPC1114FN28 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
3 × LEDs Electronic Components / Misc. Electronic Components
3 × Flat circular piezo elements I used ones about an inch in diameter
3 × 1M ohm resistors
1 × 1K ohm resistor
1 × 470 ohm resistor
1 × 10K ohm potentiometer
1 × Small pushbutton Your generic reset button
1 × DPDT switch
1 × MC33174 Quad Op Amp I believe a more common TL074 would also work