Arduino UNO Rev3. Microcontroller model: ATmega328. Microcontroller frequency: 16 MHz. Flash memory: 0.032 MB. SRAM (Static Random Access Memory): 2 KB. EEPROM (Electrically Erasable Programmable Read-Only Memory): 1 KB. Form factor: Arduino. DC input voltage: 7-12 V. Operating voltage: 5 V. Input voltage (max): 6 – 20 V. Board dimensions: 53.4 x 68.6 mm. Weight: 25 g
Processor
Microcontroller model: ATmega328
Microcontroller frequency: 16 MHz
Memory
Flash memory: 0.032 MB
SRAM (Static Random Access Memory): 2 KB
EEPROM (Electrically Erasable Programmable Read-Only Memory): 1 KB
Ports & interfaces
USB ports quantity: 1
Number of digital I/O pins: 14
Number of analog I/O pins: 6
PWM digital I/O pins: 6
Features
Form factor: Arduino
Power
DC input voltage: 7-12 V
Operating voltage: 5 V
Input voltage (max): 6 – 20 V
DC current per I/O pin: 40 mA
Weight & dimensions
Board dimensions: 53.4 x 68.6 mm
Weight: 25 g