Simplified Arduino Mega 2560 R3 pinout for MobiFlight
Power
Ground
Input / Output pin
Analog capable pin
LCD display pins
PWM capable pin
Pin is not used in MobiFlight
5V
GND
GND
6
GND
11
9
8
7
10
13
12
5
4
3
2
A1
A0
12
A2
A3
A4
A5
LCD SDA
LCD SCL
3.3V
15
14
16
17
18
19
20
21
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
40
42
44
46
48
50
52
GND
26
28
30
32
34
36
38
5V
22
24
41
43
45
47
49
51
53
GND
27
29
31
33
35
37
39
5V
23
25