Amt
Telefon
220µ
100n
470n
3,3V
12V
1N4004
BAT41
BAT41
ATtiny45
4 MHz
1k
470k
10k
100k
100k
MPSA92
Lb
b
La
a
(2N5401)
C1
C2
C3
D1
D2
D3
D4
D5
GND
4
PB0
5
PB1
6
PB2
7
PB3
2
PB4
3
PB5
1
UCC
8
IC1
Q1
R1
R2
R3
R4
R5
T1
X1
X2
X3
X4
+
5P
GND