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Arduino·Dev Board

Arduino Nano Every

Compact 45×18mm Arduino Nano with ATMega4809 at 20MHz — 48KB flash, 6KB SRAM, 5V logic, 14 digital I/O (5 PWM), 8 analog inputs, and USB-C. A modern, affordable 8-bit board for embedded projects and breadboard prototyping.

Starting from

$10.50

Compatible Firmware

Specifications

ArchitectureAVR
CPU Cores1
Clock Speed20MHz
Flash48KB
GPIO Level5V
AntennaNo
StorageNo
Dimensions45 × 18mm
Weight5g

Components

Microchip ATMega4809 at 20MHz with 48KB flash, 6KB SRAM, and improved analog peripherals over ATmega328P.

Bus Interfaces

SPI
SS: D10SCK: D13MISO: D12MOSI: D11
I2C
SCL: A5SDA: A4
UART
RX: D0TX: D1

GPIO Map

D0
UART RX
digital-inputdigital-output
UART
D1
UART TX
digital-inputdigital-output
UART
D2
Digital I/O
digital-inputdigital-output
D3
PWM
digital-inputdigital-outputpwm
PWM
D4
Digital I/O
digital-inputdigital-output
D5
PWM
digital-inputdigital-outputpwm
PWM
D6
PWM
digital-inputdigital-outputpwm
PWM
D7
Digital I/O
digital-inputdigital-output
D8
Digital I/O
digital-inputdigital-output
D9
PWM
digital-inputdigital-outputpwm
PWM
D10
PWM / SPI SS
digital-inputdigital-outputpwm
SPI
D11
SPI MOSI
digital-inputdigital-output
SPI
D12
SPI MISO
digital-inputdigital-output
SPI
D13
SPI SCK / LED
digital-inputdigital-output
SPI
A0
Analog Input
digital-inputdigital-outputadc
ADC
A1
Analog Input
digital-inputdigital-outputadc
ADC
A2
Analog Input
digital-inputdigital-outputadc
ADC
A3
Analog Input
digital-inputdigital-outputadc
ADC
A4
I2C SDA / Analog
digital-inputdigital-outputadc
I2C
A5
I2C SCL / Analog
digital-inputdigital-outputadc
I2C
A6
Analog Input
adc
ADC
A7
Analog Input
adc
ADC

Overview

The Arduino Nano Every is a compact, affordable microcontroller board that brings modern improvements to the classic Nano form factor. Powered by the ATMega4809 running at 20MHz, it offers 48KB flash (50% more than the UNO) and 6KB SRAM (200% more), making it a significant step up from ATmega328P-based boards while maintaining 5V compatibility.

At just 45×18mm, the Nano Every fits directly into breadboards and features 14 digital I/O pins (5 with PWM), 8 analog inputs, SPI, I2C, and UART interfaces. It connects via Micro USB and is available with or without pre-soldered headers, making it suitable for both prototyping and direct PCB integration.

The board is ideal for space-constrained projects, wearables, robotics, and educational use where WiFi connectivity isn't needed but compact size and 5V operation are essential.

Use Cases

2

Resources

Where to Buy

Explore more of the directory — popular use cases, firmware, and specs to browse next.