Arduino Uno R3 adalah sebuah board mikrokontroler berbasis IC DIP ATmega328 dan USB to Serial Controller ATMega16U2 keluaran vendor ATMEL yang stabil dan powerfull (*bukan CH340 ya)
Specification:
Microcontroller: ATmega328
Operating Voltage: 5V
Input Voltage (recommended): 7-12V
Input Voltage (limits): 6-20V
Digital I/O Pins: 14 (of which 6 provide PWM output)
Analog Input Pins: 6
DC Current per I/O Pin: 40 mA
DC Current for 3.3V Pin: 50 mA
Flash Memory: 32 KB (ATmega328) of which 0.5 KB used by bootloader