This Project "Automatic Room Light Controller with Visitor Counter using Microcontroller" is a reliable circuit that takes over the task of controlling the room lights as well us counting number of persons/visitors in the room very accurately. When somebody enters into the room then the counter is incremented by one and the light in the room will be switched ON and when any one leaves the room then the counter is decremented by one. The light will be only switched OFF until all the persons in the room go out. The total number of persons inside the room is also displayed on the seven segment displays.

The microcontroller does the above job. It receives the signals from the sensors, and this signal is operated under the control of software which is stored in ROM. Microcontroller continuously monitor the IR Sensors, When any object pass through the 555 timer generates a pulse and interrupt controller. So visitors in the room are counted up by Sensor1 and Sensor2 counts visitors going out of room. As soon as visitor count reaches 0 the room light turns off.

We already had this project in our download section but Anudeep (bobdxcool) had made it working. Thank you so much for sharing this project back.

Here is a working video of project shared by Anudeep:


You can download this project here:
Automatic Room light Controller with Visitor Counter
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rawat742
Fri Aug 18 2017, 11:37 AM
hi @ angel patel i will attach a file i hope it will be helpfull for you
ExperimenterUK
Mon Aug 14 2017, 09:57 PM
@ angel patel... just log in and post your problem
Mon Aug 14 2017, 01:45 PM
angel patel
hey any one help to make the led scrolling display
desuza6
Sat Jul 29 2017, 07:09 AM
I see the code for step motor h l 298 to rotate 45 degree, but all delay time, if I want to input sensor to h the pulses to stepmotor
rammichael
Thu Jul 27 2017, 12:05 PM
okay fine
ExperimenterUK
Wed Jul 26 2017, 07:51 PM
Please post questions in the forum, the chat box is for chat
msd007
Wed Jul 26 2017, 11:27 AM
i need code if any one have aduc706 interfacing lcd 16*2
msd007
Wed Jul 26 2017, 11:26 AM
pl help me how to write code of interfacing ADuc7026 controlleo lcd pl any one help me hoe to initializend configure the direction
rammichael
Wed Jul 26 2017, 06:04 AM
can you explain what is timer and how to use their modes ...
rammichael
Wed Jul 26 2017, 06:03 AM
ExperimenterUk thank you for your quick reply okay

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Pirateak
Thu Aug 17 2017, 02:02 PM
sathishksk71
Wed Aug 16 2017, 04:47 AM
rawat742
Sun Aug 13 2017, 05:49 PM
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Fri Aug 11 2017, 08:10 AM
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Sat Aug 05 2017, 05:17 PM
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Thu Aug 03 2017, 08:32 AM
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Tue Aug 01 2017, 12:41 PM
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Sun Jul 30 2017, 01:03 PM

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rawat742 Avatar
Posted By rawat742
Fri Aug 18 2017, 11:45 AM
LCD SCROLLING MESSAGE PROGRAM CODE AND SIMULATION...
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Posted By rawat742
Fri Aug 18 2017, 11:24 AM
Dear Sir , I am not able to increased value by pre...
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Posted By rawat742
Fri Aug 18 2017, 11:19 AM
Dear Sir, as per your attachment I w...
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Posted By ExperimenterUK
Thu Aug 17 2017, 10:54 PM
Try this. Attachment ...
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Posted By rawat742
Thu Aug 17 2017, 08:24 PM
Dear Sir , Please help me for stor...
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Posted By sathishksk71
Wed Aug 16 2017, 04:53 AM
Hi.. Iam refreshing c language using this useful r...
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Posted By ExperimenterUK
Mon Aug 14 2017, 10:19 PM
The original 8051 is a primitive device.Over the ...
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Posted By rawat742
Mon Aug 14 2017, 06:52 AM
Dear sir, First of all i want to thanks to you fo...
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Posted By ExperimenterUK
Sun Aug 13 2017, 11:25 PM
Reading page 11 of the data sheet, it is not clear...
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Posted By ExperimenterUK
Sun Aug 13 2017, 11:11 PM
The basic 8051 has no eeprom and you can't reprogr...