anda pakr potensio brapa Ohm? mungkin pengaruh di nilai potensionya, coba dikasih 100Kohm.
ato klo msh blm puas coba pake rangkaian ini
List Component
P1: 2K2 Potentiometer
R1,R2,R3: 100K 1/4W Resistors
R4: 8K2 1/4W Resistor
R5: 68R 1/4W Resistor
R6: 6K8 1/4W Resistor
R7,R8: 1K 1/4W Resistors
R9: 150R 1/4W Resistor
C1: 1uF 63V Polyester Capacitor
C2,C3,C4: 100uF 25V Electrolytic Capacitors
C5: 22΅F 25V Electrolytic Capacitor
Q1: BC560C 45V 100mA PNP Transistor
Q2: BC550C 45V 100mA NPN Transistor