Spanish 
The Duemilanove compatible with Arduino, the unique features are automatic recovery fuse. It will disconnect immediately if it short-circuited. Arduino Duemilanove use the chip ATmega328p-20PU, which has been included with the bootloader, no longer need to purchase another download cable to burn bootloader.
Feature:
- Support USB interface protocol and powered (no external power supply)
- Support ISP download
- Supports MCU TX / RX pin
- Support USB to TTL TX / RX pin
- Support AREF pin
Specification:
- Microcontroller: ATmega328
- Operating voltage: 5V
- Input voltage(recommended): 7V - 12V
- Input voltage(limits): 6V - 20V
- Digital I / O pins: 14 (of which 6 provide PWM output)
- Analog input pins: 6
- Flash memory: 32KB(ATmega328) (of which 2 KB used by bootloader)
- SRAM: 2KB(ATmega328)
- EEPROM: 1KB(ATmega328)
- Size: 70 x 54mm
