PCB Boards
13
Function Board Schematic
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2
3
4
5
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2
1
2
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1
2
3
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2
1
2
3
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2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
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2
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2
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2
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2
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2
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2
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2
1
2
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2
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2
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2
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2
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2
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2
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2
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2
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2
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2
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2
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2
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2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
3
4
5
1
2
1
2
1
2
1
2
3
1
2
1
2
3
1
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
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2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2