Quantity   Component name
1 × STM32F103C8 microcontroller board
1 × WS2812 Addressable LED Strip
3 × BC847 transistors
1 × TL072 OPAmp
1 × IRF740 Mosfet
1 × Linear Regulator (7805)
1 × Speaker: 0.25W, 8 ohms
1 × Rotary Encoder with Push-Button
1 × Search coil
1 × Resistors, capacitors