Biometric Attendance System

Abstract

An ARDUINO UNO is a microcontroller board based on the ATMEGA328. It has 14 digital input/output pins(of which 6 can be used as PWM outputs), 6 analog inputs ,a 16MHz crystal oscillator, a USB connection, a power jack , an ICSP header , and a reset button. It contains everything needed to support the microcontroller, simply connect it to computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.