4 Brendan Howell and Lionel Michel Arduino Mega 2009-12-10 arduino mega controller /obsolete/Microcontroller Board (Arduino) ATmega Arduino Mega The biggest, baddest Arduino board yet. Analog Input Pin 7

Analog Input Pin 8

Analog Input Pin 9

Analog Input 10

Analog Input 11

Analog Input 12

Analog Input 13

Analog Input 14

Analog Input 15

Analog Reference Voltage

Ground

Digital I/O pin 13

Digital I/O Pin 12 (PWM)

Digital I/O Pin 11 (PWM)

Digital I/O Pin 10 (PWM)

Regulated 5V Output

Digital I/O Pin 9 (PWM)

Regulated 5V Output

Digital I/O Pin 8 (PWM)

Digital I/O Pin 7 (PWM)

Digital I/O Pin 6

Digital I/O pin 5 (PWM)

Digital I/O pin 4 (PWM)

Digital I/O pin 3 (PWM)

Digital I/O pin 2 (PWM)

Digital I/O Pin 1 (TX)

Digital I/O Pin 0 (RX)

Reset Pin

Regulated 3.3 Volt Output

Regulated 5 Volt Output

Ground

Ground

Supply Voltage (5-17 V)

Analog Input pin 0

Analog Input Pin 1

Analog Input Pin 2

Analog Input Pin 3

Analog Input Pin 4

Analog Input Pin 5

Digital I/O Pin 14 (TX3)

Digital I/O Pin 15 (RX3)

Digital I/O Pin 16 (TX2)

Digital I/O Pin 17 (RX2)

Digital I/O Pin 18 (TX1)

Digital I/O Pin 19 (RX1)

Digital I/O Pin 20 (SDA)

Digital I/O Pin 21 (SCL)

Digital I/O Pin 22

Digital I/O Pin 23

Digital I/O Pin 24

Digital I/O Pin 25

Digital I/O Pin 26

Digital I/O Pin 27

Digital I/O Pin 28

Digital I/O Pin 29

Digital I/O Pin 30

Digital I/O Pin 31

Digital I/O Pin 32

Digital I/O Pin 33

Digital I/O Pin 34

Digital I/O Pin 35

Digital I/O Pin 36

Digital I/O Pin 37

Digital I/O Pin 38

Digital I/O Pin 39

Digital I/O Pin 40

Digital I/O Pin 41

Digital I/O Pin 42

Digital I/O Pin 43

Digital I/O Pin 44

Digital I/O Pin 45

Digital I/O Pin 46

Digital I/O Pin 47

Digital I/O Pin 48

Digital I/O Pin 49

Digital I/O Pin 50

Digital I/O Pin 51

Digital I/O Pin 52

Digital I/O Pin 53

Ground

Ground

Analog Input Pin 6