Automatic street light electronics project and circuits. Automatic street light controller using relays and ldr. The sensitiveness of the street light can also be adjusted. Automatic street light control using ldr ppt covers important information on this project like circuit diagram, block diagram, project abstract,simulation details. Simple street light controller automatic street light controller ldr projects circuit diagram duration. Along with project ppt students can download full project report. Apr 19, 2016 share on tumblr construction and working simple and easy to construct automatic street light circuit is given here, this circuit is constructed by common 5mm ldr light dependent resistor and transistor bc 107, switching transistor sl 100. An ebook reader can be a software application for use on a computer such as microsofts. One savelight control unit can control street lights by controlling the supplied power to the street light power cables.
Here is our new simple electricalelectronics project about automatic street light control system for students and hobbyists. Sep 05, 2016 in fact, these lights are automatic and have a sensor in them which is known as ldr sensor. Automatic street light control system using microcontroller. This circuit is very simple circuit and can be built with transistors and ldr, you dont need any opamp or 555 ic to trigger the ac load. I hope it also will be helpful for you thats why i shared this doc with you. They have many advantages over old lights like least power consumption, long life, dc operated etc.
Srikanth et al 4 proposed a zigbee based remote control automatic street light system. The need of designing such a system is to act as a helper for the people who sometimes miss the important mails or the deadlines. Explore automatic street light with free download of seminar report and ppt in pdf and doc format. A free powerpoint ppt presentation displayed as a flash slide show on id.
Solar leds are available in different shapes, styles, and sizes. Automatic street light control system is a simple yet powerful concept, which uses transistor as a switch. When light falls on ldr, street lights switch off automatically. Sep 04, 2018 the whole circuit is based on ic lm358, which is basically an operational amplifier that is configured in a voltage comparator. In fact, these lights are automatic and have a sensor in them which is known as ldr sensor. Changela savan iu124106008 kavathiya mit iu124106020 loharikar devang iu124106023 zala ajay iu124106062 guided by. How do ldrs automatically switch street lights on at.
Simple automatic street light circuit diagram with ldr. When there is light the resistance of ldr will be low. Street lights can be also be dimmed by lowering the the supply voltage. Light sensor and street light control using arduino is designed to measure the intensity of light or amount of light. View and download powerpoint presentations on automatic street light ppt. An automatic night light circuit controls the switching of light by sensing the surrounding light intensity. Sep 06, 2016 download automatic street light ppt with pdf report. This paper highlights the design procedure and implementation aspects based on real time applications. The whole circuit is based on ic lm358, which is basically an operational amplifier that is configured in a voltage comparator. Street light or flood light which is completely automatic makes life easy. Automatic street light project in proteus the engineering.
The whole circuit is based on ic ca3140 which is basically an operational amplifier which can unite the voltage pmos transistors to the high voltage bipolar transistor on particular chip. Street light is controlled automatically with the help of the intensity of light and arduino. Sep 11, 2017 automatic night lamp circuit using ic 555 and ldr. Paper 2 discusses on the essential implementation aspects of energy. This is a circuit which helps to turn on or off the street lights automatically using relays and ldr. Apr 07, 2016 ldr alone cant do this, you need some other components to make this happen. Photo resistors change light into electricity and are not dependent on any other force, ldrs are delicate, inexpensive, and readily obtainable devices, they are small enough. The light dependent resistor is connected to adc1 pc1 pin of the micro controller. Sep 18, 2017 so here in this project, we are going to make a simple automatic street light controller using relay and ldr.
Disadvantages it has a limitation of power light turns on when shadow falls on ldr led is a low voltage device 12. In this paper the two sensors are used which are light dependent resistor ldr sensor to indicate a daynight time and the photoelectric sensors to detect the movement on the street. The resistance of the ldr changes as different amounts of light fall on the top window of the device. Ldr light depending resistor whose resistance is based upon the quantity of the light declining on it along with a few more components. In fact you can this circuit for implementing any type of automatic night light. This circuit is simple and can be built with transistors and ldr, you dont need any opamp or 555 ic to trigger the ac load. Automatic street light seminar report, ppt, pdf for ece students.
A tolerance time of one hour or so is preset control system using light dependent resistor. This project describes a new practical solution of street light control systems. Light activated switch circuit with ldr and op amp. It senses the light intensity from surroundings and find whether its day or night.
Efficient use of street light using ldr and arduino is very convenient to implement and quite easy to understand. Ldr light sensor circuit, there was a problem with the ldr, it was turning the led on with 5v instead of 12v, thiswas with using 10k then i used 100kthe led was dim until it. It automatically switches on lights when the sunlight goes below the visible. Photo resistors change light into electricity and are not dependent on any other force, ldrs are delicate, inexpensive, and readily obtainable devices, they are small enough suitable into virtually any electronic device and. The street lights are automatically switched on when the sunlight goes below the visible region of our eyes. Circuit description of automatic light operated switch using ldr and ic741. So please send related circuit diagram,we are waiting for your circuit diagram. Single phase ac circuits mcqs with explanatory answers.
Automatic street light control using ldr ppt video. Ppt on automatic street light control using ldr eceprojects. D as a symbol of street lamp, but for high power switching one can connect relay electromagnetic switch at the output of pin 3 of i. This switching transistor collector terminal is connected with 9 volt relay terminal, a 230 volt lamp is connected with relays common terminal and no. How automatic sun light sensor switch circuit works the circuits ready working. Street lights can be controlled according to reference light sensors andor clock and calendar or manually from the savelight web interface. Automatic street light control using ldr ppt include. In this paper the two sensors are used which are light dependent resistor ldr sensor to indicate a. The main aim of this project is to develop led based street lights with auto intensity control system by using arduino board and solar power from photovoltaic cells. This light activated switch circuit with ldr and an operational amplifier has many applications.
The proposed circuits controls street light intensity by calculating the peak hours. This is done by a sensor called light dependant resistor ldr which senses the light actually. Photo resistors change light into electricity and are not dependent on any other force, ldrs are delicate, inexpensive, and readily obtainable devices, they are small enough suitable into virtually any electronic. Also explore the seminar topics paper on automatic street light with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2015 2016. So lets take a look at a simple circuit using ldr and some other components to explain how it will turn on a light when it is dark. Simple dc motor electrical project simplest dc motor ever. Automatic street light control using ldr project ppt youtube.
Sep 11, 2017 simple street light controller automatic street light controller ldr projects circuit diagram duration. It is a simple and powerful concept, which uses transistor bc 547 npn as a switch to switch on and off the street light system automatically. Automatic street light control circuit diagram, in this article i am going to post a very simple circuit diagram of automatic street light control using transistor and light dependent resistors. This is a very simple circuit of automatic street light control. Automatic street light control using ldr project eceprojects. Ldr based automatic street light using microcontroller. Solar powered led street light with auto intensity control. When the male plug, or for the circuit to the ac line power at 220 volts. Aim of this seminar is to control the street light using ldr. Resistance of ldr is low current will flow it and apply on base. Light dependent resistor is used for the detection of light. Automatic street light control using ldr ppt download.
Automatic street light controller switch circuit electronicshub. Circuit diagram and working of automatic street light controller switch using relays and ldr. Pdf automatic street light control system using microcontroller. This sensor is used to detect the light intensity so if theres sun light in the surroundings then it simply turn off the street light and if theres no sun light then it turns on the street light and thats how automatic street light works.
Circuit diagram of automatic street light controller switch circuit using relays and ldr is given below. And it automatically turns on when the surrounding is dark and it turns off when it receives light from surroundings. By using this system manual works are 100% removed. Buy automatic street light control project online at low. Share on tumblr construction and working simple and easy to construct automatic street light circuit is given here, this circuit is constructed by common 5mm ldr light dependent resistor and transistor bc 107, switching transistor sl 100.
Automatic street light controller circuit using relay and ldr. And off the light when the incident light is above the limit. Ldr is a semiconductor component whose value of resistance is changed according to the intensity of light falling on it i. The most important thing is that it can be implemented by users in their daily life. Automatic street lights research india publications. The circuit presented here is light operated circuit using ldr. When darkness rises to a certain level then sensor circuit gets activated and switches on and when there is other source of light i. The whole project was implemented using a pic microcontroller. Automatic street lightautomatic street light control using ldrcontrol using ldr 2.
Ldr light depending resistor, whose resistance is based upon the quantity of the light falling on it, is the main component for sensing the light. By using this automatic system for street light controlling, we can reduce energy consumption. Automatic street lighting system for energy efficiency automatic streetlight control using ldr ppt 1. Automatic street light control system is a simple and powerful concept, which uses transistor as a switch to switch on and off the street light automatically. Sep 29, 2018 here is automatic night light circuit using scr and ldr without relay. Design and implementation of automatic street light. Automatic street light seminar report, ppt, pdf for ece. Ldr is used for calculating the light intensity of the environment. When current is passes from base current will also flow have transistor then passes form led. Automatic night lamp as the name suggests is for turning on and off the lamp automatically without the need of human interventions. Automatic street light control using ldr project ppt, circuit diagram, project report for free download. It automatically switches off lights when sunlight fall on it i. Smart automatic street light is designed using timer ic 555 and ldr.
The circuit on the led light, when the incident light intensity falls below a particular limit. The circuit uses a light dependent resistor ldr to sense the light. Ldr engineering ldr light dependent resistor engineering is a technique of making several electronics circuits following the logic of a simple light and dark sensor using transistors, 555 ic and 741 ic. It automatically switches on lights when the sunlight goes below the visible region of our eyes. Automatic street lights sakshee srivastava electronics and communication engineering, institute of technology and management al1, sector7, gida, gorakhpur, u. The complete block diagram of automatic street light control is as shown in figure7. Oct 12, 2016 ldr based automatic street light using microcontroller. The circuit diagram present here is that of a street light that automatically switches on when the night falls and turns off when the sun rises. Feb 28, 20 this paper highlights the design procedure and implementation aspects based on real time applications. The plug socket is connected to appliances in the home. Automatic street light controller circuit using relays and ldr. So to flow current we have to apply have current on base for flow current, so we off the light.
We are going to discuss here advantages, disadvantages and applications of automatic street light and advantages are. Relay timer circuit, all the connections were right, but i did not know how to use the relay 12v then i. Lightdependent resistor is used for the detection of light. It is working science model for schoolcollege children. Feb 28, 20 automatic street light control using ldr project ppt, circuit diagram, project report for free download.
Abstract this project is all about to control the power consumptions at the streets and eliminating manpower. The need of designing such a system is to act as a helper for the people who sometimes miss the important mails or. Thus, this is all about solar powered led street light with auto intensity control. Design and implementation of automatic street light control. Microchip is also providing the software for the microcontrollers where the.
Automatic street light control system using ldr and ic555 timer. How do ldrs automatically switch street lights on at night. Here we also use a ldr so that we can control the lightning system with the help of its sensor. Presentation of automatic street light linkedin slideshare. Auto intensity control of street lights circuit using. April 18, 2017 ldr base street light control 2 unnecessary use of energy. The real time and on and off time is set using keypad and lcd display. Our project presents an automatic street light controller using light dependent resistor ldr. Pdf automatic street light control system using ldr and. The system is designed with the help of zigbee modules that helps in detecting the faulty lights and control the light. Along with these, a few more components are also used. There are many methods to save the power like switching the street light on detecting vehicle, street light controlling using ldr and relays etc. Paper 1 has proposed a concept on automatic street light control system using microcontroller pic16f877a as a prototype.
When the direct current from the battery passes through the light, then it gives the light. Street lighting has been found to reduce walker crashes by nearly fifty percent. Two circuits are shown in this article,one explaining the street light control using atmega8 and second explains street light controlling using pic microcontroller. Schematic diagram for automatic street light using ldr and relay see more. This circuit consists of atmega8 controller, ds7, ldr, relay and leds. Find powerpoint presentations and slides using the power of, find free presentations research about automatic street light ppt. Ldr based automatic street light engineer experiences. Download automatic street light ppt with pdf report. Apr 18, 2017 automatic streetlight control using ldr ppt 1.
Automatic light operated switch using ldr and ic741. This allows electronic circuits to measure changes in light. There is no use of street light in day time and man power. Solar powered led street light with auto intensity control project kit by. Oct 03, 2015 the auto intensity control of street lights circuit is simple but it requires more coding part. Ldr alone cant do this, you need some other components to make this happen. An embedded system is some combination of computer. Lightemitting diode comprises of the chemical compound. Ppt automatic street light relay bipolar junction transistor scribd. Automatic street light control system minor project abstract automatic street light control system is a simple yet powerful concept, which uses transistor as a switch. We hope that you have got a better understanding of this concept. Advantages energy savings low cost safety and security automated operation 11. C 555 that will make easy to turn onoff any electrical appliances that are connected through relay. Explore automatic street light with free download of seminar report and ppt in pdf.