AUTOMATIC ROOM LIGHT CONTROLLER WITH VISITOR COUNTER USING MICROCONTROLLER PDF

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Often we see visitor counters at stadium, mall, offices, class rooms etc. This counter can count people in both directions. It can also be used at gates of parking areas and other public places. The sensor would observe an interruption and provide an input to the controller which would run the counter increment or decrement depending on entering or exiting of the person.

And counting is displayed on a 16x2 LCD through the controller. There are some sections of whole visitor counter circuit that are sensor section, control section, display section and driver section.

Then comparator compares both voltages and generates a digital signal at output. Here in this circuit we have used two comparators for two sensors. LM is used as comparator. LM has inbuilt two low noise Op-amp. Control Section: Arduino UNO is used for controlling whole the process of this visitor counter project. The outputs of comparators are connected to digital pin number 14 and 19 of arduino. Arduino read these signals and send commands to relay driver circuit to drive the relay for light bulb controlling.

This section will display the counted number of people and light status when no one will in the room. Relay Driver section: Relay driver section consist a BC transistor and a 5 volt relay for controlling the light bulb. Transistor is used to drive the relay because arduino does not supply enough voltage and current to drive relay.

So we added a relay driver circuit to get enough voltage and current for relay. And Relay driver transistor at digital pin 2. LCD is connected in 4 bit mode. Rest of connections are shown in the below circuit diagram. First we have included library for LCD and defined pin for the same. And also defined input output pin for sensors and ralay.

And also check for zero condition. Zero condition means no one in the room. If zero condition is true then arduino turn off the bulb by deactivating the relay through transistor. Here is two functions for enter and exit. Thank you in advance and best regards. Any IR sensor module should work here, please set the proper sensitivity of sensor by rotating the potentiometer on it. Learn the working of IR sensor module here. Otherwise check the circuit and code once again.

This project is already counting multiple persons, please check the Video. But instead of count one it count continuous i think so their is problem in programm plz someone upload correct programm other than it it has no problem reply must. How can I use the counted value to be sent to the serial out pin that to be used by a computer?

You can easily send this data to Computer, by using some code Serial. There are numerous tutorial on the web. How can i connect Volt AC bulb to it. Please help immediately. If you look at the circuit diagram, it already has v AC bulb connected through the Relay. Hello Sir,. Great project. I am current doing my final year project in BEng Electronic Engineering. I am doing a solar automatic lighting control system for a house.

BUT, when i finished mounting the circuit, the lcd count goes on constantly 0, -1,0,-1,0, Please check your circuit connections and code twice. Do not keep any unnecessary moving things in front of IR sensors.

Try understanding the code, and change it accordingly. There is one IR pair for Entry detection and another for Exit detection, if you keep your hand in front of both the IR pair, then the number will continuously goes up and down.

And the value shouldn't go negative as there is condition for that in the code, please check. Thanks for replying I altered the code only but left the circuitry the same It works now. Now will try optimize and add further components. I have faced the same problem with you. I had tried to modify the code and still cannot get it correctly. Would you share your altered code with me? I really need your help to complete my final year project. Hi Deenkhar Beejad I don't have a lot of programming experience, and I am struggling with fixing the code.

Would you please be able to send your altered code? I am facing the same problem on my project. Can you please send me the altered program which worked for you. I have the same problems. Will u please send the altered code.

Hi sir. Im face with the same issue. Please help me sir. Can u plz send the correct code. Could you please share the altered code. Hi Its a nice simple yet effective project I face troubles in relay connections i used a 5-pin,5v relay It would be of great help if you could mail me relay connections with the pin specs and reqd.

Check some Home automation projects on this site from where you can get the idea of connecting relay: Home Automation Projects. Is there anyway to prevent the counter from moving up or down when i place my hand infront of 1 of the sensors constantly?

If ever i leave my hand infront of 1 of my sensors, the count eitheir goes up or down. So in a real case scenario, if someone stays infront of the door for sometime, either the count will go continuously up or down.

Good thought, for this you can either increase the Delay in code or add some condition to avoid this, like only increase the count if IR sensor is switched from Off to ON state, and dont increases count if IR sensor is previously ON or continuously getting digitalRead in.

Try around some codes and share with us. Please tell me how to change program according to this above mentioned. Please tell me how to burn display. Can we use proximity sensor module on this? Can we have a circut diagram using this type of module? Can you pls send a circuit diagram? What are the values of the resistances and the pins they need to be connected?

Resistor values are clearly mentioned in the Circuit Diagram. That's how it is supposed to work. Also read all the above comments, solution has already been suggested. Naveen: Please read all the above Comments before asking any question, your questions are already answered. Check the IR module you have built, and adjust the sensitivity of circuit. I have checked all the circuitry, its fine.

Sir my project name is automatic room light control using ir sensor I using ardiuno uno r3 circuit board then I don't know this programming please help me and give the programming. Thank You. Hello everyone, i selected this project as final year project.

I checked my hardware and the wiring. Why is that? You must have interchanged the NC and NO, please check. Sir pls send code. Can you please get me the modified code for counting the total number of persons entered in the room for a particular period.? Sir, I am from Bangladesh, we have a problem with electricity in our country.

If you pls send me.. Sir, Can I use IR collision sensor in this project? Sir can you send me all detail about this project like source code, component and etc because i want make this project for project last year for my college.

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Automatic Room light Controller with Visitor Counter

Download Synopsis of the project. Wastage of electricity is one of the main problems which we are facing nowadays. This happens due to negligence or because we forgot to turn lights off or when we are in a hurry. This function is implemented using a pair of Infrared sensors. LCD display placed outside the room displays this value of person count.

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Automatic Room Lighting System using Microcontroller

Often we see visitor counters at stadium, mall, offices, class rooms etc. This counter can count people in both directions. It can also be used at gates of parking areas and other public places. The sensor would observe an interruption and provide an input to the controller which would run the counter increment or decrement depending on entering or exiting of the person. And counting is displayed on a 16x2 LCD through the controller. There are some sections of whole visitor counter circuit that are sensor section, control section, display section and driver section.

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Automatic Room Light Controller with Visitor Counter and Zigbee Technology

Automatic Room Lighting System is a microcontroller based project that automatically turn on or off the lights in a room. Electricity, being one of the most important resources, must be utilized carefully. We often forget to switch off lights or fans when we leave a room. By using this system, we can intentionally forget about the lights as the system will automatically take care of them. The digital World we are living in allows us to use different technologies to automatically perform certain tasks.

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Automated Room Light Controller with Visitor Counter

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