Quantity   Component name
6 × potentiometer
2 × bc548 Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
6 × screw terminal
1 × capacitor 220uf,4.7uf
1 × resistor 1k,10k,6.8k,100k,150k
10 × 100nf polyster capacitor
4 × 220pf capacitor polyster film