Paper 1 has proposed a concept on automatic street light control system using microcontroller pic16f877a as a prototype. By combining a versatile 8bit cpu with insystem programmable flash on a. Circuit description of automatic light operated switch using ldr and ic741. Street light or flood light which is completely automatic makes life easy. Arduino based led street light auto intensity control system shreesh mishra, shivakant gupta, santosh singh, tripuresh tiwari, anand mohan. So please send related circuit diagram,we are waiting for your circuit diagram. An automatic night light circuit controls the switching of light by sensing the surrounding light intensity.
Automatic street lights research india publications. We hope that you have got a better understanding of this concept. Apparatus motor implies a blend of a motor notwithstanding a diminishment gear train. Explore automatic street light with free download of seminar report and ppt in pdf and doc format. This is done by a sensor called light dependant resistor ldr which senses the light actually. We have tried this one in this tutorial but you can also try the second one mentioned below. Lightdependent resistor is used for the detection of light. International journal of engineering research and general. Auto intensity control of street lights circuit using. In this project, we have used an ldr light dependent resistor which is responsible for detecting light and darkness. By using this system manual works are 100% removed. Automatic street light controller switch using relays and ldr output video. Automatic street light control system is a simple yet powerful concept, which uses transistor as a switch. One of the pins of the ldr is connected to the ground while the other is connected to one of the 5 analogue in pins.
The purpose of this mini project is to switch off the street light in the day and switch on the street light in the night. As a result, the output pin 1 moves to low state, which further makes the relay to activate and the led or bulb associated to it will glow. This is science project model with circuit diagram, it uses ldr as sensor. Below is the circuit diagram of this light sensing street light. This light activated switch circuit with ldr and an operational amplifier has many applications. Light activated switch circuit with ldr and op amp. The circuit presented here is light operated circuit using ldr. Arduino is singleboard microcontrollers and microcontroller kits for building digital.
Solar powered led street light with auto intensity control project kit by. The main devices and elements required to implement an automatic street light. Smart automatic street light is designed using timer ic 555 and ldr. Street light is controlled automatically with the help of the intensity of light and arduino. Ldr based automatic street light using microcontroller. Automatic street light control using ldr wl1pqp2vxjlj idocpub. Project report on automatic street light control using light. Laser security alarm circuit circuit diagram and explanation. Ldr is a semiconductor component whose value of resistance is changed according to the intensity of light falling on it i. The positive side of the battery is divided into two directions. This is done by a sensor called light dependent resistor ldr which senses the. This is done by a sensor called light dependant resistor ldr which. Peak hours of a particular area are calculated and accordingly pwm signal is adjusted by microcontroller to increase or decrease the intensity of street lights.
Street light controller detailed circuit diagram available. When the male plug, or for the circuit to the ac line power at 220 volts. Pdf we can control the street lights through manually, but it is a time. Modules the current project of efficient use of street light is developed using arduino and ldr. As light is falling on ldr light dependent resistor so led does not glow.
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. Pdf automatic street light control system using ldr and. This is a very simple circuit of automatic street light control. Smart street light is an automated system which automates the street. Ldr is a special type of resistance whose value depends on the brightness of the light which is falling on it. Circuit diagram of automatic street light controller switch circuit using relays and ldr is given below.
Automatic street light control using ldr and relay youtube. This is a circuit diagram of automatic street light. Automatic switch on and off of light in response to sunlight is done by using ldr, which plays a major role. Automatic street light control using ldr ppt covers important information on this project like circuit diagram, block diagram, project abstract,simulation details.
But in dimness or at night time, we know that resistance of ldr is high. Automatic street light seminar report, ppt, pdf for ece. So when light is present ldr detects and circuit is in the off state. Here is automatic night light circuit using scr and ldr without relay. 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.
Usually street light remain on in morning time due to manual operation, which. Street light controlling using plc is a novel concept using xd26 plc controller. Here is my new simple electronics project about automatic street light control system or dark sensor. Design of intelligent street light control system using low. Low cost automatic street light control system with and. Synopsis on automatic street lights using leds electrical. Ldr,photoelectric sensor, power supply, relays andmicro controller. Electronics street light switch electronics project. When darkness rises to a certain level then sensor circuit gets activated and switches on and when there is other source of light i.
In this paper a low cost maintenance free automatic street light control system. How do ldrs automatically switch street lights on at. Automatic street light control system using ldr and ic555 timer hafiz saad khaliq11tc031, mohammad hunain khan11tc412, syed noorulhassan. The extent of darkness at which the street light to be switched on can also be tailored using the potentiometer provided in the circuit. It automatically switches off the street lights under illumination by sunlight. Ldr light depending resistor whose resistance is based upon the quantity of the light declining on it along with a few more components.
You can see now that we have blocked light falling on light dependent resistor ldr, so the led glows led on. This is a circuit which helps to turn on or off the street lights automatically using relays and ldr. This is done by a sensor called light dependant resistor ldr which senses the light actually like our eyes. A light sensor or ldr can be very easily interfaced with an arduino. Automatic garden light controller system or automatic street light controller system, automatically turns on garden or street lights by sensing darkness. Pdf modeling and simulation of automatic street light controller. April 18, 2017 ldr base street light control 2 unnecessary use of energy. Design and implementation of automatic street light control system using light dependent resistor article may 2016 with 1,463 reads how we measure reads. This turns on the transistor and relay connected to it. A street light control framework which works naturally is least demanding as well as the canny. Did you ever think that how the street lights automatically turn on in the night and turn off.
Paper 2 discusses on the essential implementation aspects of energy. They have many advantages over old lights like least power consumption, long life, dc operated etc. Technical and vocational education and training institute department electronics and communication technology course title electronics. Automatic street light control system using microcontroller. 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. These circuits can be used for different automatic light sensing projects including automatic night lamp, automatic street light controller, dark sensor circuits, etc.
Nov 9, 2016 circuit diagram and working of automatic street light controller switch using relays and ldr. 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. Automatic street light controller switch circuit electronicshub. To detect the present of an object we have used ldr and a source of light. Thus, this is all about solar powered led street light with auto intensity control. The circuit is built around popular opamp ic 741 ic1, 14bit ripple counter cd4060 ic2, scr bt169, bc557 and other components. The sensitiveness of the street light can also be adjusted. Here in this project we are going to make a simple automatic street light controller using relay and ldr. Auto intensity control of street lights using atmega8 circuit principle.
Automatic staircase lighting project using pir sensor and. In this paper a new technique is proposed to control the intensity of led street lights using ldr, and to automate street lights using pir sensors, and ldrs, resulting in power saving. This atmega32 avr microcontroller based project covers an automatic staircase light circuit using pir sensor and ldr. This is done by using automatic street light control system. 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. Ppt on automatic street light control using ldr eceprojects. 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. Ic1 along with ldr1 enables ic2, which drives transistor t1 into conduction. Ic2 is also used to trigger scr1 to switch on the street light.
This prevents current from flowing to the base of the transistors. Automatic street light controller using relays and ldr. Introductionautomatic street light control system is a simple and powerful. Solar energy following permits more vitality to be delivered in light of the fact that. We can control the street lights through manually, but it is a time taken and also time lagging chances are there so, the process was lagging due to this. Here is a simple, expensive and easy to use electronics street light switch using ldr and ne555. Along with project ppt students can download full project report. The arduino analyse the data and gives its response to the leds through the. The main principle of this project is to control the intensity of street lights using pwm.
The main aim of smart street light is to reduce the power consumption when there are no vehicle movements on the road. This project is implemented by using 555 timers ic, ldr and relay. The working of this circuit is truly based on light sensing, i. Modeling and simulation of automatic street light controller using. The street lights are automatically switched on when the sunlight goes below the visible region of our eyes. Learn to make model of automatic street light mini project. Automatic street light control using ldr project eceprojects. It automatically switches on lights when the sunlight goes below the visible region of our eyes. Automatic street light controller circuit using relays and ldr. Simple automatic street light circuit diagram with ldr. In fact, these lights are automatic and have a sensor in them which is known as ldr sensor. The light sensor is connected to the analogue inputs of the arduino.
In this mini project of the street light circuit using ldr, we are going to operate street light using a light dependent resistor ldr objective. Automatic light operated switch using ldr and ic741. Synopsis on automatic street lights using leds free download as word doc. 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. Automatic street light control using light dependent resistor ldr by fazlur rahman v abstract the theme of the project is to design the automatic control of street light with change of the intensity of sunlight i. Ldr alone cant do this, you need some other components to make this happen. Automatic street light controller circuit using relay and ldr. International journal of engineering research and general science volume 4, issue 2, march april, 2016.
Light sensor and street light control using arduino is designed to measure the intensity of light or amount of light. Design and implementation of automatic street light. Automatic street light control using ldr project report covers detailed information on how to develop this project. 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. This switching transistor collector terminal is connected with 9 volt relay terminal, a 230 volt lamp is connected with relays common terminal and no. Hence, the voltage at noninverting input pin 3 of the ic lm358 decreases than the inverting input pin 2.
The resistance of ldr increases in darkness and reduces in presence of light. 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. So, the ambiance of light is checked and lights are turned on when it is dark and turned off during the day. Depending on the function of the ldr it may need another resistor connected to it.