UNO R3 Board for Arduino UNO R3 projects Micro-controller : ATmega328 Operating Voltage : 9V Digital I/O Pins : 14 (of which 6 provide PWM output) Clock Speed ：16 MHz Package Include Arduino UNO R3 x 1 نعتذر الشراء من الموقع متوقف مؤقتا We apologize : purchasing from our website is temporarily stopped
