ARDUINO MEGA PINOUT

DIGITAL PINS (Basic, D0-D13)

D0 - RX0 (Serial) D1 - TX0 (Serial) D2 - Digital D3 - PWM D4 - Digital D5 - PWM D6 - PWM D7 - Digital D8 - Digital D9 - PWM D10 - PWM D11 - PWM D12 - Digital D13 - Digital/LED

COMMUNICATION PINS

D14 - TX3 D15 - RX3 D16 - TX2 D17 - RX2 D18 - TX1 D19 - RX1 D20 - SDA (I2C) D21 - SCL (I2C)

ADDITIONAL DIGITAL PINS

D22-D53 - Digital I/O PWM Pins: 2-13, 44-46

ANALOG PINS (A0-A15)

A0-A15 - Analog Inputs (All can be used as digital I/O)

SPI PINS

50 - MISO 51 - MOSI 52 - SCK 53 - SS

POWER

VIN - Input Voltage (7-12V) GND - Ground (multiple pins) 5V - 5V Output 3.3V - 3.3V Output AREF - Analog Reference RST - Reset

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