Here i am presenting you a Fingerprint based security system using r303a module . By using this you can secure a room, office, lockers or any private areas. The basic principle used in this project is Biometric Authentication, it refers to the identification of humans by their physical or behavioural characteristics. The physical biometric authentication involves FINGERPRINT VOICE FACE IRIS Here we are using fingerprint as the identification factor, for that a fingerprint module R303 is used. it is a low cost, high performance, easily available one and can be able to store upto 120 fingerprint images in its memory. We can also interface it with a computer by means of max232 level converter. The fingerprint module R303 can be divided into two sections Read More.....