Arduino Uno R3


Atmega 328P


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Microcontroller ATmega328P , Operating Voltage 5V , Input Voltage (recommended) 7-12V , Input Voltage (limit) 6-20V , Digital I/O Pins 14 (of which 6 provide PWM output) , PWM Digital I/O Pins 6 , Analog Input Pins 6 , DC Current per I/O Pin 20 mA , DC Current for 3.3V Pin 50 mA , Flash Memory 32 KB (ATmega328P) of which 0.5 KB used by bootloader


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