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Final Year Project Ideas & Abstracts / Instrumentation Engineering Project Ideas & Abstracts / Embedded Automatic Street light control with LDR-ADC Interfacing using 89C51 Microcon

Embedded Automatic Street light control with LDR-ADC Interfacing using 89C51 Microcon
Embedded Automatic Street light control with LDR-ADC Interfacing using 89C51 Microcon
Embedded Automatic Street light control with LDR-ADC Interfacing using 89C51 Microcontroller

Title of the project : Embedded Automatic Street light control with LDR-ADC Interfacing using 89C51 Microcontroller
Domain : Embedded Systems Design
Software : Embedded C, Keil, Proload
Microcontroller : AT89C51
Power Supply : +5V, 500mA Regulated Power Supply
Display : LCD and LED Indication
LCD : 16X2 LCD Display
Input : LDR
ADC : ADC0804
Relay : 5V DPDT Relay
Crystal : 11.0592MHz

ABSTRACT
Nowadays, human has become too busy and he is unable to find time even to switch the lights wherever not necessary. This can be seen more effectively in the case of street lights. The present system is like, the street lights will be switched on in the evening before the sun sets and they are switched off the next day morning after there is sufficient light on the roads. But the actual timings for these street lights to be switched on are when there is absolute darkness. With this, the power will be wasted up to some extent. This project gives the best solution for electrical power wastage.
Also the manual operation of the lighting system is completely eliminated.
The Project Embedded Automatic Street light control with LDR-ADC
Interfacing using 89C51 Microcontroller is an interesting project which uses
AT89C51 microcontroller as its brain. This project is very useful for commercial sign boards, advertising boards, street lights for automation lighting system. This system switches on the lights only in darkness. As it works with LDR sensor, no programming of timings and battery back-up is required. This is a simple, fit and forget system. ADC0804 is used to convert analog data delivered by Light dependant Resistor (LDR) into digital data. This ADC interfacing makes this project highlysensitive and user friendly.
This project uses regulated 5V, 500mA power supply. Unregulated 12V DC is used for relay. 7805 three terminal voltage regulator is used for voltage regulation.Bridge type full wave rectifier is used to rectify the ac out put of secondary of 230/12V step down transformer.




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