5 V sensors, shields and legacy peripherals
5.0 V I/O drives 5 V logic directly — no level shifting.
Engineering inference
Arduino S.r.l.
Arduino Nano
Breadboard-friendly ATmega328P board at 16 MHz: 32 KB flash (2 KB bootloader), 2 KB SRAM, 1 KB EEPROM, 20 digital I/O (6 PWM), 8 analog inputs, Mini-B USB via FT232RL, 7–12 V VIN.
A000005Development boardPrice$25.70Arduino Store (USA) · in stock
Buy at Arduino Store (USA) Board essentials
Facts about the complete product. Unknown values remain open design questions.
- Exposed GPIO
- 20
- Board I/O voltage
- 5 V
- Board flash capacity
- 32 KiB
- Board SRAM capacity
- 2 KiB
- Board operating range
- -40 to 85 °C
A good fit for
Guidance to help you shortlist. The basis is shown for each recommendation.
Learning and fast prototyping
Programs from Arduino IDE, Arduino CLI, Arduino Cloud Editor.
Engineering inferenceInside this board
The board is the parent product. Each chip has its own memory, pins, capabilities and thermal limits.
main processor
ATmega328P
Microchip Technology
b8543f76-f710-4050-b716-3a53ad843b2f--mcu- Architecture
- 8-bit AVR RISC
- Documented clock
- 20 MHz
- Chip / in-package flash
- 32 KiB
- On-chip SRAM
- 2 KiB
usb uart bridge
FT232RL
FTDI
b8543f76-f710-4050-b716-3a53ad843b2f--usbvoltage regulator
LM1117IMPX-5.0
Texas Instruments
b8543f76-f710-4050-b716-3a53ad843b2f--ldoFAQ
Arduino Nano questions
What microcontroller does the Arduino Nano use?
The Arduino Nano is built around the ATmega328P, alongside FT232RL, LM1117IMPX-5.0.
How many GPIO pins does the Arduino Nano have?
20 GPIO pins are exposed. Xirkit documents 30 board pins, 24 of them with pin-level electrical limits.
Are the Arduino Nano I/O pins 5 V tolerant?
Yes, the documented I/O pins are 5 V tolerant. Input-high threshold: 3–5.5 V.
How much current can a Arduino Nano GPIO pin source?
Documented output-high current per pin: ≤ 40 mA. Values are traced to the chip datasheet; see the pinout table for per-pin limits and conditions.
What voltage powers the Arduino Nano?
Supply range 5–12 V. Power inputs: VIN (7–12 V).
How much does the Arduino Nano cost?
From $25.7 at Arduino Store (USA) (2 supplier offers tracked). Prices are observed unit prices before tax and shipping.
What are the Arduino Nano dimensions?
43.2 × 18 × 1.6 mm. A STEP model is available for enclosure fit checks.
Which interfaces does the Arduino Nano support?
uart, gpio, interrupt, control, pwm, timer, analog_comparator, clock, spi, led, adc, i2c, usb.
How do I program the Arduino Nano?
Supported frameworks: Arduino IDE, Arduino CLI, Arduino Cloud Editor.
Where does this Arduino Nano data come from?
Every value in this record is traced to a source — 3 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.
Data & sources