IRFZ48N
GND
+12V
PC817
GND
K375M
GND
1k
100k
2k2 OK1 Q1
1
2 3
4 RPI
13 57 911 1315 1719 2123 25
24 68 1012 1416 1820 2224 26
BOARD
13 57 911 1315 1719 2123 25
24 68 1012 1416 1820 2224 26
X1
X2-1
X2-2 R2
R3
7 R1 26
26 24
24 22
22 20
20 18
18 16
16 14
14 12
12 10
10 8
8 6
6 4
4 2
2
25
25 23
23 21
21 19
19 17
17 15
15 13
13 11
11 5
5 3
3 1
1