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NANO V3 based on the ATmega328 microcontrollers has a small size and can be used together with model boards for solderless wiring (breadboard). It has the similar structure with Arduino Uno/Duemilanove, but different size and with additional Analog In A6, A7. To reduce the size, components are mounted on both sides of the PCB. The board uses a chip CH340G as converter UART-USB. Chip CH340G - is a budget solution. With an operating frequency in 12Mhz, yields a stable result of a data interchange.
NANO V3 can be powered via microUSB-port (up to 500mA).

USB serial CH340 driver
Power OK red LED, green (TX), green (RX) and green (L) LED
Improved 5V voltage sources, more powerful disk capacity
Mini-B USB for programming and serial monitor
Surface-Mount ICSP header
Standard 2.54 mm distance DIP (breadboard friendly)
Microcontroller: ATmega328
Operating Voltage (logic level): 5V
Input Voltage (recommended): 7-12 V
Digital I / O Pins: 14 (or which 6 provide PWM output)
Analog Input Pins: 8
DC Current per I / O Pin: 40 mA
Flash Memory: 32 KB (ATmega328) or which 2 KB used by bootloader
SRAM: 2 KB (ATmega328)
EEPROM: 1 KB (ATmega328)
Clock Speed: 16 MHz

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