Arduino Uno

Uno:

The most common board of Arduino is the Arduino Uno. Uno board is the first USB Arduino boards, and the reference model for the Arduino platform. This board is what all people are talking about when they refer to an arduino.

Uno is a micro-controller board based on the ATmega328P. It mean refer datasheet of ATmega328P to understand arduino uno board. Uno contains everything needed to support the micro-controller chip; simply connect board to your computer via USB-A to USB-B cable, upload program and you are ready to get started. Once you upload your program in board you can power it with a battery or AC-to-DC adapter. Uno has 14 digital I/O pins (Input/Output pins), a USB connection, 6 analog inputs, a 16 MHz quartz crystal, a reset button, a power jack and an ICSP header.

 

table of tech specs is snapshot of www.arduino.cc
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