Mikrocontroller : ATMega 328 Operating Voltage : 5V Input Voltage (recommended : 5V - 12V Digital I/O Pin : 14 (Of Which 6 Provide PWM Output) Analog Input Pins : 6 DC Current Per I/O Pins : 40mA DC Current For 3.3V Pins : 50mA Flash Memory : 32Kb SRAM : 2Kb EEPROM : 1Kb Clock Speed : 16MHz Berat : 65 gram