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Arduino A000066 User Manual

Arduino A000066
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Arduino® UNO R3
10 / 13 Arduino® UNO R3 / Rev. 01 - 25/11/2021
5.3 Mechanical Information
5.4 Board Outline & Mounting Holes
Board outline
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Arduino A000066 Specifications

General IconGeneral
MicrocontrollerATmega328P
Operating Voltage5V
Input Voltage (recommended)7-12V
Input Voltage (limit)6-20V
Digital I/O Pins14
PWM Digital I/O Pins / Channels6
Analog Input Pins6
DC Current per I/O Pin20 mA
DC Current for 3.3V Pin50 mA
Flash Memory32 KB (ATmega328P) of which 0.5 KB used by bootloader
SRAM2 KB (ATmega328P)
EEPROM1 KB (ATmega328P)
Clock Speed16 MHz
Length68.6 mm
Width53.4 mm
Weight25 g

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