Quantity   Component name
1 × LM3914 Interface and IO ICs / Display Interface
1 × LM358 Amplifier and Linear ICs / Operational Amplifiers
1 × 100k Electronic Components / Misc. Electronic Components
1 × 1k Electronic Components / Misc. Electronic Components
1 × 0.1u Capacitor
1 × Buzzer
1 × Barrel Jack (DC 9V) Power Supply
1 × LED Fiber Optics / Emitters