Arduino Uno Micro Controller
Arduino Uno মাইক্রো কনট্রোলার
Arduino Uno is a microcontroller board based on the ATmega328 chip.
14 digital input/output pins (of which 6 can be used as Pulse Width Modulation PWM outputs)
6 analog inputs
a USB connection
reset button
Connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.