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Arduino

Arduino UNO R3

MPN A000066 SKU ZTX-UNO-R3

ATmega328P-based microcontroller board with 14 digital I/O, 6 analog inputs and USB-B.

Operating Voltage
5 V
Form Factor
UNO R3 (68.6 × 53.4 mm)
Microcontroller
ATmega328P
Clock Frequency
16 MHz

All specifications

Availability
In stock
Minimum order qty
1
Dispatch
Ships same day
Pricing
Quoted within 24 hours

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  • 100% Genuine Parts
  • Same-Day Dispatch Available
  • Dedicated Technical Support

The Arduino UNO R3 is the reference board for the Arduino ecosystem: an ATmega328P with 32 KB of flash, 14 digital I/O pins (6 PWM) and 6 analog inputs, powered over USB or a 7–12 V barrel jack. Shield-compatible.

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