Arduino UNO R3 Specs

Clock Speed 16 MHz
Input Voltage (Limit) 6-20V
Input Voltage (Recommended) 7-12V
Microcontroller ATmega328P
Operating Voltage 5V
Ports 6 PWM Digital I/O Pins; 6 Analog Input Pins
RAM Flash memory: 32 KB (ATmega328P) of which 0.5 KB used by bootloader; 2 KB (ATmega328P) SRAM
Size 68.6 mm x 53.4mm width
Weight 25g
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