female fan connector 1
female fan connector 0
male fan header 1
male fan header 0
GND
+12V
TACH
PWM
GND
+12V
TACH
PWM
GND
+12V
TACH
PWM
GND
+12V
TACH
PWM
Arduino Micro
13
12
+3V
11
AREF
10
18
9
19
8
20
7
21
6
22
5
23
4
NC
3
NC
2
+5V
GND
RESET
RESET
GND
0
VIN
1
14
17
15
16