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B3 Pro Compact Charger
and adaptive behavior
The 400-hole solderless breadboard is ideal for prototyping circuits without soldering
durable frame
The name "Uno" signifies the launch of Arduino Software (IDE) 1
Arduino Uno R3 stem B3 Pro Compact ChargerArduino Uno R3 The Arduino Uno, powered by the ATmega328P chip, is a beginner friendly microcontroller board with: 14 digital I O pins (6 with PWM), 6 analog inputs, 16 MHz resonator, USB port, power jack, ICSP header, and reset button. It can be powered via USB, battery, or AC adapter, and the chip is easily replaceable. The name "Uno" signifies the launch of Arduino Software (IDE) 1. 0, with the Uno setting the standard for USB compatible Arduino