About this document

Telephone-Activated Security Lock System by Nikhil Dixit is a document available to read on EtoBox.

1) The device is an 8051 microcontroller-based code lock that protects homes and properties from thieves. 2) When an incorrect code is entered three times, the device sounds an alarm, calls a pre-programmed phone number to alert the owner, and locks the keypad until the owner is contacted successfully five times. 3) The device consists of components like a microcontroller, keypad, telephone dialer circuit, speech circuit, and amplifier to call the owner and deliver an emergency message when the incorrect c

Author

Nikhil Dixit

Language

EN