Arduino Nano V3.0 CH340 Chip

The Arduino Nano is a small, complete, and breadboard-friendly board based on the ATmega328 (Arduino Nano 3.x). It lacks only a DC power jack, and works with a Mini-B USB cable instead of a standard one.

Comparison with Arduino UNO

Digital IOs: Arduino Nano and Arduino UNO have exactly same number of Digital IOs (i.e. 14)
PWM Channels: Arduino Nano and Arduino UNO have exactly same numbers of PWM Channels (i.e. 6)
Clock: Arduino Nano and Arduino UNO have exactly same clock frequency (16.000 MHZ)
Flash Memory: Arduino Nano and Arduino UNO have exactly same amount of flash Memory (i.e. 32KB)
Data Memory: Arduino Nano and Arduino UNO have exactly same amount of Data Memory / RAM (i.e. 2KB)
EEPROM Memory: Arduino Nano and Arduino UNO have exactly same amount of EEPROM Memory / RAM (i.e. 1KB)

Nano Features

Automatic reset during program download
Power OK blue LED on the bottom
Green (TX), red (RX) and orange (L) LED
+5V to AREF jumper
Auto sensing/switching power input
Small mini-B USB for programming and serial monitor (cable not included)
ICSP header for direct program download
Power OK blue LED on the bottom
Standard 0.1” spacing DIP (breadboard friendly)
Manual reset switch

Technical Specifications

Documents and Downloads

Detailed Information: Here
Schematics: Here