What is Arduino Uno?

Arduino Uno is an open source microcontroller board based on the ATmega328P. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs. a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header and a reset button.

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The Arduino UNO R4 WiFi combines the processing power and exciting new peripherals of the RA4M1 microcontroller from Renesas with the wireless

Arduino® UNO R4 WiFi

Arduino UNO for Beginners

What is Arduino UNO?, Arduino Uno Pinout & Program

Arduino Uno Pinout, Specifications, Pin Configuration & Programming

An In-Depth Look at the Arduino Uno PCB - Circuit Basics

Arduino Uno Pinout

What is Arduino Uno?