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The Arduino Nano R3 with the ATmega328P-AU chip is described by its listing as a compact, powerful and affordable microcontroller board designed for makers, students and electronics enthusiasts. It targets the usual range of hobbyist project categories: DIY electronics, robotics, IoT experiments and home automation, connecting to a computer through a Mini USB interface for both power and programming.
Its small size, about 43.1mm by 18.5mm and roughly 7g for the board alone, along with a breadboard-compatible pin layout, makes it a convenient choice when a project needs to sit directly on a breadboard rather than being wired externally to a full-size Uno.
Electrically, it runs on a 5V operating voltage with an input voltage around 7 to 12V, and offers 14 digital I/O pins, of which 6 support PWM output, plus 8 analog I/O pins, more than the 6 analog inputs on a typical Uno. Each I/O pin can supply up to 40mA. Onboard memory includes 32KB of flash, 2KB of SRAM and 1KB of EEPROM, with a 16MHz clock speed.
USB connectivity uses a CH340-based USB-to-serial chip, a common and widely supported choice across many low-cost Arduino-compatible boards, meaning drivers are easy to find for most operating systems.
Students, hobbyists and DIY creators building small robotics, sensor-reading or automation projects who want the extra analog inputs and small footprint of a Nano-style board, while staying inside the familiar Arduino IDE ecosystem, will find this a sensible fit.
The ATmega328P-AU.
8 analog I/O pins, more than a standard Uno's 6.
A CH340-based USB-to-serial chip.
Approximately 43.1mm by 18.5mm, weighing about 7g.
32KB of flash, 2KB of SRAM and 1KB of EEPROM.
| Brand | Arduino |
|---|---|
| Flash Memory | 32KB |
| MCU / Processor | ATmega328P-AU |
| Operating Voltage | 5V |
| Selling unit | PCS |
