Arduino UNO R3

SPECIFICATION

Arduino UNO board specification

• 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
• SRAM
  2 KB (ATmega328P)
• SRAM
  1 KB (ATmega328P)
• CLOCK SPEED
  16 MHz
• LED_BUILTIN
  13
• DIMENSIONS
  68.6 x 53.4 mm
• WEIGHT
  25 g

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