R2
Resistance
4.7kΩ
R3
Resistance
4.7kΩ
R1
Resistance
x Ω
R5
Resistance
4.7kΩ
R4
Resistance
4.7kΩ
SW2
SW1
J3
C4
Capacitance
x F
C6
Capacitance
1uF
C1
Capacitance
1uF
C3
Capacitance
10uF
J4
IC1
C2
Capacitance
1uF
J1
C5
Capacitance
1uF
U2
U1