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Automatic School Bell
- Jahanzeb Gul
- jahanzebgul89@gmail.com
- 47.161 Views
- medium
- Non tested
- 0 Likes
Description
This project is an Automatic School bell system. Such a system triggers a bell (or operates any other load) at predifined time. In this version some advanced features are introduced:
- 16×2 LCD Display ( Displays current date, time and day)
- 4×4 Keypad for Inputs
- Stand alone product ( no PC required to program or maintain ringing schedule)
- No battery required to maintain clock and ringing schedule
- Variable ringing time
- Max 10 bells can be set
- Custom Weekend filters
- Monthly OFF / Weekly OFF
- Half Day
- Total AC Power Handling : 1000W (240V 5A)
- Connect as many AC electronic bells in parallel form
- Built-in back up battery supply
- Built in permanent memory for bell timings
- Auto-memory scan on system startup
I used PIC18f4520 microcontroller as the brain of the system. RTC1307 IC is used to maintain the clock,date and day with a 3V backup voltage battery. Bell timings are stored in the internal EEPROM of mcu.
MCU is reading time from RTC through I2C Serial protocol and compares the current time with stored memory time in a continous while(1) loop.
MM74C922 decoder IC is used for keyboard. Reading the sixteen buttons is done using 4-bits output of decoder IC.
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im a student at MUT doing this design and i like to use this schematic, can i get the program for it my email adress is khozasibonisodan@gmail.com
Only the .hex file is available. You can try to contact the author at his email found below the project’s title.
khoza, so basically you want to use someone’s project as your own. what have you came up with in this project?! i understand you want to use this schematic the way it is, but that is plagarism. sow us what you have done so far then we can see how we help you.
i am university student .i am doing this project for my university final year project can you please email me the original i want to do little bit modification in this project .if i get success in this project it will implement in my university
please email me at usman7668@gmail.com
hex file error
Thank for your that important cod but it’s can’t open file cod because it’s error for open.
pleas you help send this for me .
my E-mail: Kimchandy66@yahoo.com
last wish you good luck all time and good health
Thank you.
kindly send us the automatic school bell schematic and program file sir
please email me the code through adamnda5@gmail.com
Sir can u please send mi C code for this project…please send me on email..
davandeshubham007@gmail.com
please email me the C code on email adhiwirianata@gmail.com. thanks before.
How to modify the program if u need more bell to program then the basic 10
plz email me at saurabhskhire@gmail.com on gmail for info of this project
Dear Sir and Mam
Please send me quotation for the same in details with all the requirements.
Sir can u please send mi C code for this project…please send me on email..
damithnuwan7353@gmail.com
how are you sir can you plz email me the c language program of this project, that my email mftmtshali@gmail.com
please send me the c code to my mail aula19189@gmail.com
PLEASE SEND ME C-CODE TO MY MAIL akula19189@gmail.com
please email me at elquicoballbe@yahoo.com.ar
error hex
thank you very much
Please Send me the code to anaspk1@gmail.com, also please send me the full component price
Please Send me the code to grtgrte@yahoo.fr
I just the need the program or hex file for this project..can you mail me on gpramod09@gmail.com
Please mail me the source code to my e-mail address electronicsempiremaker@gmail.com
Hello everyone… I am the designer of this project. First of all thank you very much for liking the project. This project was done 4 Years ago and the final device is still installed in a School working perfectly. I receive alot of emails regarding the source code but unfortunately the code files are deleted because of some virus attack at that time… So source code files are not available… Some people are also having difficulty in running the demo in Proteus. I made a video for demo as well 3 years ago and published it on youtube. Here is the link if anyone wants to know how to set the bells etc…
https://www.youtube.com/watch?v=L_42vaPPU8M
Thanks again…
please upload components list
Please mail me the source code to my e-mail address:phbongson@gmail.com. Thank you.
I need the program
Mubashirpmc@gmail.com
Please send
Only the .hex file is available. You can try to contact the author at his email found below the project’s title.
So many whiny would-be plagiarists! Thanks for posting this. I’m going to use the details for helping me with my Pic powered cuckoo clock. Again, thank you for sharing. The rest of you, stop spending time whining on the internet and spend more time learning about your subjects!
what i have to do if i want to increase the numbers of bells from 10 to around 25?
You will need to modify the code a bit. But the issue is that it is not available from the author at this moment. I would suggest to contact the author for further help.
please send mi C code for this project…please send me on email..
Soubhanaallah100@gmail.com
please,I can get traffic light controller complete source code with hex file and proteus simulation.If you will give for me this link or file , send me my emailaddress
lailaimyohtut123@gmail.com
Please may you send me the source codes for this project
Only the .hex file is available. You can try to contact the author at his email found below the project’s title.