Circuit Diagram. The complete circuit diagram for fingerprint based attendance system project, is shown below.It has Atmega32 microcontroller for controlling all the process of the project. The push ...

Connect the LCD data pins to the microcontroller's port pins. Connect push buttons to designated pins for enrollment and deletion. Fingerprint Sensor (R305): Vcc to 5V power supply. GND to ground. TXD ...

Home automation is developed using 8051 microcontroller and HC05 Bluetooth module. The biometric system uses Arduino uno and R305 fingerprint sensor. Relay, LED bulbs, dc motor and solenoid lock are ...

An authentication system is a process of verifying personal data from users who attempt to access a particular system. One example of authentication that is commonly used is biometric authentication.