1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
R1
3.5k
C1
470n
PWM
AC
1
V+
2
AC
3
V-
4
B1
MOSTEK
GND
T1
BC338
C3
470u
GND
1
2
J1
OUT
R5
0,1
C2
470n
R2
3.5k
T2
BDP391
P1
100k
GND
1
2
J2
AC
Vin
1
GND
2
Vout
3
U3
7805
VCC
GND2
R4
100k
4
8
2
3
1
U1A
LM358
5
6
7
4
8
U1B
LM358
C4
10u
Z1
4v7
R3
500
C5
470u
C6
100n
GND2
P2
10k
1
2
3
4
J4
CON4
VCC
GND2
AC
1
V+
2
AC
3
V-
4
B2
MOSTEK
C7
4700u
1
2
J5
AC