About the Nano 3.0 development board:
- Can be directly programmed with the Mini USB cable.
- 100% compatible with program, expansion shields, IDE of Arduino Nano v3.0.
- USB to serial TTL chip (CH340) supports win7 / win8 32bits, 64bits, Linux, MAC
- Supports ISP download.
- Microcontroller: Atmel ATmega328P.
- Operating Voltage: 5 V.
- Input Voltage: 7-12 V.
- Digital I/O Pins: 14 (of which 6 provide PWM output).
- Analog Input Pins: 6.
- Flash Memory: 32 KB of which 2 KB used by bootloader.
- SRAM: 2KB.
- EEPROM: 1KB.
- Clock Speed: 16 MHz.

About Nano-UNO Shield Adapter:
This is Arduino Nano to UNO Shield Adapter Board. Red board and the colorful female pin headers make your project more impressive. It is very popular Arduino project production.
Features:
- Dedicated to the Arduino Nano board and other compatible board
- More convenient to connect the peripheral module to Nano board
- Compatible with the pin definitions Arduino UNO R3
- Use multi-color female header so that the interface is easy to identify and particularly noticeable.
- Onboard 500mA resettable fuse to protect power supply from the USB port and the DC jack at the same time.
- Leads out more GND, 5V pins, UART serial interface and I2C interface, so it is more convenient to connect it to peripheral modules without additional IO expansion shield.
- Onboard 5V and 3.3V voltage regulator circuit
- Onboard DC jack socket and it can be powered by an external battery so it allows you to show your projects in the outdoor without the PC.
- Working voltage: 5V
- Working current: 500mA (Max)
- External input voltage: 7-12VDC