Fingerprint based door lock system

Popular biometric systems in use today include iris recognition, voice recognition, and fingerprint recognition systems. Iris recognition is extremely accurate but expensive to implement, and scanning the human eye is a sensitive issue. A typical voice recognition system is much less expensive but often exhibits unacceptably hoarseness or other throat problems. Fingerprint recognition is generally considered the most practical choice for its reliability, non-intrusive interfaces, and cost-effectiveness. Biometric fingerprint door locks have lots of advantages over conventional key door locks, keyless keypad lock or card reader door locks.Thus, biometric fingerprint door locks predominate to security protection, convenience, and speed. So, fingerprint based systems are the most convenience and practical of access control systems used in the door lock system.The companies are using such a system for controlling the employers. Their staff must have the conventional card and ill intentioned people can read the cards instead of each other. Each person's fingerprint is unique and the staff do not have a chance to register the fingerprint instead of each other, the system operates smoothly and prevents fraud.Therefore, in this study, personnel access control and time attendance system which is based on a fingerprint has been investigated.