U4
U2
C4
Capacitance
0.1uF
C3
Capacitance
0.1uF
R2
Resistance
4.7kΩ
C2
Capacitance
10uF
R3
Resistance
330 Ω
U1
C1
Capacitance
10uF
R1
Resistance
4.7kΩ
U3
SW1
J1