Arduino Nano Pinout Diagram and Specifications

Hi, in this article, we are going to see the pinout diagram of Arduino Nano. Also, we will see the pin description. Arduino is a compact microcontroller board and it can be easily placed in a breadboard. It is built with the ATmega328P microcontroller. The main difference between Arduino Nano and Arduino UNO is, that Arduino UNO comes with a Plastic Dual Inline Package or PDIP whereas Arduino Nano comes with a plastic quad flat package or TQFP. Also, the Arduino Uno has 6 ADC parts while Arduino Nano has 8 ADC parts.

Arduino Nano Pinout Diagram

Here, you can see the pin description,

Pin No. 1 - RS 232: TX, Digital 01

Pin No. 2 - RS 232: RX, Digital 00

Pin No. 3 - RESET

Pin No. 4 - GROUND

Pin No. 5 - INTERRUPT, DIGITAL 02

Pin No. 6 - PWM, Interrupt, Digital 03

Pin No. 7 - I2C: SDA, Digital 04

Pin No. 8 - PWM, I2C: SCL, Digital 05

Pin No. 9 - PWM, Digital 06

Pin No. 10 - Digital 07

Pin No. 11 - Digital 08

Pin No. 12 - PWM, Digital 09

Pin No. 13 - PWM, SPI: SS, PWM Digital 10

Pin No. 14 - PWM, SPI: MOSI, PWM, Digital 11

Pin No. 15 - SPI: MISO, Digital 12

Pin No. 16 - Digital 13, LED, SPI: SCK

Pin No. 17 - +3.3V

Pin No. 18 - Analog Reference Voltage

Pin No. 19 - Analog Input Channel 00

Pin No. 20 - Analog Input Channel 01

Pin No. 21 - Analog Input Channel 02

Pin No. 22 - Analog Input Channel 03

Pin No. 23 - Analog Input Channel 04

Pin No. 24 - Analog Input Channel 05

Pin No. 25 - Analog Input Channel 06

Pin No. 26 - Analog Input Channel 07

Pin No. 27 - +5V input/output

Pin No. 28 - RESET Input, Active Low

Pin No. 29 - GROUND

Pin No. 30 - Supply Voltage Input(7V to 10V DC)

In-Circuit Serial Programming or ICSP Pins

MISO - Master In Slave Out, Input/Output Pin

Vcc - Output supply voltage

SCK - Output clock from master to slave

MOSI - Master Out Slave In

RST - Input RESET, Active Low

GND - Power Supply Ground

Arduino Nano Specifications

• Microcontroller - ATmega328P
• Operating Voltage - 5V DC
• Architecture - AVR
• Flash Memory - 32KB
• SRAM - 2KB
• Clock Speed - 16 MHz
• Analog I/O Pins - 8
• EEPROM - 1KB
• Input Voltage - (7-12) Volts

Read Also: 

• Arduino UNO Pinout Diagram and Pin Configuration Explained
• Raspberry Pi 4 Pinout Diagram and Terminals Identification
• Microcontroller 8051 Pinout Diagram and Pin Description
• ESP32 Pinout Diagram(30-pin Devkit)
• Raspberry Pi Pico Pinout Diagram and Raspberry Pi Pico W

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