WebThe user can also set his password to ensure better protection. The major components include a keypad, LCD and the controller AT89C51 which belongs to the 8051 series of microcontrollers. This article describes the making of an electronic code lock using the 8051 microcontroller. A 4×3 matrix keypad and a 16×2 LCD have been used here. WebThe system is fully controlled by the 8 bit microcontroller. A keypad is used to enter the password and a relay to open or close circuit breaker, which is indicated by a lamp. Any wrong attempt to open the breaker (by entering …

Password Based Circuit Breaker - ElectroSchematics.com

WebDec 16, 2016 · We have used a password based circuit breaker approach which ensures that the correct person is operating the system. In a general overview, the PIC … WebThe password which is entered is compared with a predefined password. If the entered password is correct to correspond electrical line is turned ON or OFF. In this, a separate … shoes at marks and spencers

OTP based Lineman Security System - academia.edu

WebCircuit design Password Based Circuit Breaker using Arduino created by Mayank Kumar with Tinkercad WebOct 14, 2015 · The password based circuit breaker device could just be the solution as only the lineman could reliably control the circuit breaker to avoid miscommunication. The system requires a password to turn ON/OFF the circuit breaker as needed. WebFor the operation of circuit breaker through a password, program is written in keil software and created into a .hex file that is further burnt onto the controller with the help of flash magic. Connections are given as per the circuit diagram. rachel and leah in the old testament