This Project “Automatic Room Light Controller with Visitor Counter using Microcontroller AT89S52 continuously monitor the Infrared Receivers, When any . This Project ―Automatic Room Light Controller with Visitor Counter Output signal from AT89S52 is given to the base of the CHAPTER: 3. This automatic room light controller project with visitor counter is a reliable circuit based on the AT89S52 microcontroller. It takes over the task of controlling room.

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I dont like to buy some projects in some other project center. Microcontroller does the function of Reading the digital input from two infrared receivers and calculates the number of persons from them.

Automatic Room light Controller with Visitor Counter (AT89S52)

This is to give some presentations on projector or counteg screens. Yes, your Pets can trigger the sensors. Reply Microtronics Technologies Post author 19 July, at 4: We can send this data to a remote location using mobile or internet. However it is not possible to add blood sensor in this project.

Automatic Room light Controller with Visitor Counter (AT89S52)

Improved shielding against electrical field disturbance 4. Problem is that the Red LED connected to the IR receiver is always active always turned on and only blinks when I try to cut the infrared beam from the arrangement of IR transmitter and receiver which you sent me.

And the microcontroller is pre-programmed. But please send details of your customized requirement to our email id. Temperature stability better than 0.


Reply muhd 23 July, at 1: Digital Visitor Counter can be used in various rooms like seminar hall, conference hall where the capacity of room is limited and should not be exceeded.

IC — 3. Reply Oliver vincent 8 September, at 2: When number of persons inside the room is zero, lights inside the room are turned off using a relay interface.

Reply guhan 17 October, at 7: And in case of person leaving the room, sensor sequence will be as below: If a person enters the room then first receiver will cut and then second receiver will cut. Suppose a seminar hall has seating capacity of then only people should be allowed inside room. Transistor — BC2N By using this circuit and proper power supply we can implement various applications Such as fans, tube lights, etc. Skip to main content.

Reply Mukta 23 September, at The on-chip Flash allows the program memory to be reprogrammed in-system or by a conventional nonvolatile memory pro- grammar. There is a waiting period of 5 seconds.

Human efforts to count the number of person is eliminated. The objective of this project is to make a controller based model to count number of persons visiting particular room and accordingly light up the room. And is the microcontroller need to be programmed? Reply Jridi hamza 16 May, at 8: As soon as pin of the microcontroller goes high, the relay operates. Although there are different functions for LCD and person counter modules, but they are combined in a single program.

It is used to increase the current gain. And if any person leaves the room then second receiver will cut and then first receiver will cut. Swap any object like mobile or your fingers not single finger in front of those sensors. Reply chinnu 6 January, at 4: Reset button switch 8. You will get all documents after purchasing the project.


We will reply you total cost including shipping charges. We can even add Temperature sensor as per your requirement. Since Microcontroller can not turn on relay directly, we have used a Relay driver circuit.

ELEX IDEA BLOG: Automatic Room light Controller with Visitor Counter (AT89S52)

LED should turn off when Transmitter is facing towards Receiver. Following are the important modules in this project: The light in room will be only switched OFF until all the persons in the room go out. Reply Sissharth 4 March, at Additional terminals are provided for triggering or resetting if desired. Reply Microtronics Technologies Post author 23 July, at 5: The relay requires 12 volts at a current of around ma, which cannot provide by the microcontroller.

Then Microcontroller will increment the count. Hence the name free running oscillator.

All we need is to do minor changes to activate this telephone as it works as to become auto dialer circuit. Video of the project: It shows microtronics website. Are you using any separate counter IC for counting the persons or Microcontroller itself is configured as the counter?

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