If the value is greater than 700, which means its day or bright, then the relay will not operate and the lights remain off. Automatic street light control is used to control the. This automatic street light controller project is made using an ldr light dependent resistor with arduino how to make an automatic street light project using ldr with arduino note. In this task, 01 ldr sensor, 12 leds, resistors, 03 ir obstacle detector sensors and 01 arduino uno have been used. Smart automatic street light is designed using timer ic 555 and ldr. How to make free energy generator 220v with 3kw alternator and 1 hp motor recycle free electricity duration. Marksh april, 2017 i connected firstly 560 k resistor between pin 1 and 3 of lm 358. Do you know how the street lights automatically turn on in the night and turn off automatically at morning. How automatic sun light sensor switch circuit works the circuits ready working. Pdf automatic street light control system semantic scholar.
This system has automatic street light intensity control based on the vehicular movement and switching on and off of street lights depending on the light ambiance. Auto intensity control of street lights using atmega8 circuit principle. As light is falling on ldr light dependent resistor so led does not glow. Here is my new simple electronics project about automatic street light control system or dark sensor. This circuit employed the output from an uncomplicated light dark activated circuit and oblige a relay in its output which can be further attached to switch onoff a street light and electrical application in a household also. 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. Street light controller detailed circuit diagram available. Automatic street light control system using ldr and ic555 timer. Automatic street light controller switch circuit electronicshub. Circuit diagram and working of automatic street light controller switch using relays and ldr.
The lcu has two independent channels, enabling it to control one or two lamps simultaneously and it also performs stepless dimming, which prolongs the lifespan of the lamp. Automatic street light controller project output video introduction many people have a phobia of darkness, so to assist them in such situations, we have explained a simple circuit that will automatically turn on the street light consisting of leds or bulb coupled with relay. If bc547 get hot and not able to handle the relay then you can use 2n222a transistor or sl100. Automatic street light controller using relays and ldr youtube. Light sensor is like our eye which detect the presence of an object and relay is an electromagnetic device which is used to isolate two circuits electrically and connect them magnetically.
Automatic street light control system using microcontroller. 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. Report on automatic street light control system with ldr and relay prepared for prepared by. 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. Automatic street light controller circuit using relay and ldr. Automatic street lights research india publications. Automatic street lights sakshee srivastava electronics and communication engineering, institute of technology and management al1, sector7, gida, gorakhpur, u. Automatic street light seminar report, ppt, pdf for ece. Ic2 is also used to trigger scr1 to switch on the street light. April 18, 2017 ldr base street light control 2 unnecessary use of energy. Doc report on automatic street light control system with. The automatic streetlight control system operates on 12 v dc supply. Bt6 diac db3 you can get it from old cfl driver 220k.
Learn more about relay here and how to connect an ac appliance to relay. 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. Automatic street light controller using relays and ldr. By using this system manual works are 100% removed. In fact, these lights are automatic and have a sensor in them which is known as ldr sensor. Keywordsarduino uno, ldr, relay, lighting units arduino programming, automatic control, energy efficient introduction. The main principle of this project is to control the intensity of street lights using pwm. A relay is used to supply the different voltage to the street lights half intensity and. 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. The complete block diagram of automatic street light control is as shown in figure7.
Ic cd4060 has an inbuilt oscillator around its pins 9, 10 and 11. But if amount of light is less than 80 percent, this project will automatically turn on street lights. Electronics street light switch electronics project. Paper 2 discusses on the essential implementation aspects of energy. The entire control circuit requires a regulated 5v dc for its operation. Here we make use of ldr light dependent resistor and led light emitting diode and arduino. It automatically switches on lights when the sunlight goes below the visible. Design and implementation of automatic street light control system using light dependent resistor. 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.
Art203 prepared for mohammad musa coordinator and senior lecturer of cthm iubat prepared by md. When the male plug, or for the circuit to the ac line power at 220 volts. In this project, we are going to build an automatic street light which remains off in day light but turns on during night. Street lighting problems and solutions smart energy. The working of this circuit is truly based on light sensing, i. The streetlight is controlled by using the ldr sensor. Automatic street light controller circuit using relays and ldr. Automatic street light controller arduino project hub. Use dc supply 0f 912v for the circuit operation or use any adaptor or can be used homemade ac to dc converter for circuit input. Automatic street light control using ldr and relay youtube. Upon application of the input voltage, td1 interval on will energize and turn on the green light. Here is automatic night light circuit using scr and ldr without relay. This project is implemented by using 555 timers ic, ldr and relay. Automatic control of street lights is deigned to turn on and turn of street lights automatically.
The sensitiveness of the street light can also be adjusted. Automatic street light control using ldr relay power. The working of relay is also known microcontroller and the code is written in c language in mikroc ide, the resulted value can be seen with the help of uart or lcd display. 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. The extent of darkness at which the street light to be switched on can also be tailored using the potentiometer provided in the circuit. If light is 80 percent available, it automatically turn off street lights. Automatic street light control system is a simple yet powerful concept, which uses transistor as a switch. It automatically switches on lights when the sunlight goes below the visible region of our eyes. Ldr light depending resistor whose resistance is based upon the quantity of the light declining on it along with a few more components.
Auto intensity control of street lights circuit using. Automatic control of street lights using microcontroller. Pdf automatic street light control system using ldr and ic555. This light will remain on for the t1 period of td1. Automatic street light controller circuit using relays. 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. Here in this project we are going to make a simple automatic street light controller using relay and ldr. Download automatic street light ppt with pdf report.
So, the ambiance of light is checked and lights are turned on when it is dark and turned off during the day. A 10k pot is also used for setting up the sensitivity of the circuit. The relay allows the isolation of two separate sections of a system with two different. These circuits are very useful in the automatic street.
Ic1 along with ldr1 enables ic2, which drives transistor t1 into conduction. Pdf automatic street light control system using microcontroller. Pdf automatic street light control system using ldr and. Automatic street light controller switch using relays and ldr output video. When darkness rises to a certain level then sensor circuit gets activated and switches on and when there is other source of light i. Automatic control of street lights pic microcontroller. Arduino based auto street light intensity controller. Today in this video i have shown how to make an automatic street light using triac bt6. Schematic diagram for automatic street light using ldr and relay. Automatic streetlights that glow on detecting night and.
Here is a simple, expensive and easy to use electronics street light switch using ldr and ne555. We are going to discuss here advantages, disadvantages and applications of automatic street light and advantages are. Automatic street light controller using relays and ldr interruptor. International journal of engineering research and general. Abstract this project is all about to control the power consumptions at the streets and eliminating manpower. By using this system energy consumption is also reduced. This switching transistor collector terminal is connected with 9 volt relay terminal, a 230 volt lamp is connected with relays common terminal and no. So when light is present ldr detects and circuit is in the off state. Report on automatic street light control system with ldr and relay course name. Download automatic street light control system project. Light control unit the lcu is designed for individual management of street lamps and includes a meter, controller and lv plc modem. Did you ever think that how the street lights automatically turn on in the night and turn off. Pdf arduino based auto street light intensity controller. Paper 1 has proposed a concept on automatic street light control system using microcontroller pic16f877a as a prototype.
This is a circuit which helps to turn on or off the street lights automatically using relays and ldr. Moreover, the circuit is carefully designed to avoid common problems like overload, relay chattering and inductive kick back in relay. So please send related circuit diagram,we are waiting for your circuit diagram. Automatic street light control system electronics project. Light sensors and micro controller, relay are the main components of the project. Design and implementation of automatic street light. So this is how automatic street lights turns on in the night and turn off in the day, check the demonstration video below. C 555 that will make easy to turn onoff any electrical appliances that are connected through relay. You can see now that we have blocked light falling on light dependent resistorldr, so the led glows led on. Dark sensor, ldr darkness senor circuit, ldr circuit, ldr. This is done by using automatic street light control system.