User manual

21
Bestückungsplan
HB 331
D1
R4
C1
_
+
9-12 V
LD1
R5
C4
C2
IC1
R3
R2
R1
T1
+
+
+
C3
20
Schaltplan
+
5-15 V
D1
1N4148
+C1
47 µF
GND
R1
680 k
R2
10 k
7
8
2
6
4,7 µF
+
C3
C2
10 nF
15
4
3
+C4
47 µF
GND
R3
4k7
R4
10 k
A K
LD1
R5
39R
IC1
NE 555
GND
_
T1
BC327