Spesifikasi : Support Arduino IDE 1.0+ (OSX/Win/Linux) Power via USB atau External Source 7-12V On-board Regulator : 5V 500mA USB : Built-in PCB I/O : 6 I/O Pins (2 are used for USB only if your program actively communicates over USB) Flash : 8k Flash Memory (about 6k after bootloader) Pinout (All pins can be used as Digital I/O) Pin 0 I2C SDA, PWM Pin 1 PWM (onboard LED) Pin 2 I2C SCK, Analog In Pin 3 Analog In (also used for USB+ when USB is in use) Pin 4 PWM, Analog (also used for USB- when USB is in use) Pin 5 Analog In