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The Arduino Uno is a popular microcontroller board based on the ATmega328P microcontroller. It is widely used for building electronics projects and prototyping due to its ease of use and versatility. Here are some key features and components of the Arduino Uno:
Microcontroller: ATmega328P.
Operating Voltage: 5V.
Input Voltage (recommended): 7-12V.
Digital I/O Pins: 14 (of which 6 can be used as PWM outputs).
Analog Input Pins: 6.
DC Current per I/O Pin: 20 mA.
Flash Memory: 32 KB (ATmega328P) of which 0.5 KB is used by the bootloader.
SRAM: 2 KB (ATmega328P).
EEPROM: 1 KB (ATmega328P).
Clock Speed: 16 MHz.
USB Connection: Type-B.
Power Jack: Barrel jack.
ICSP Header: Yes.
Reset Button: Yes.