[SOLVED] GSM BASED ELECTRICAL CONTROLLED HOME Appliances

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krunal thakar

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hii all;
this is my very first post...
my project title is GSM BASED ELECTRICAL CONTROLLED HOME APPLIANCES using p89v51rd2bn micro controller.. but i don't know how to start with.
please help me. i want to make a device that controls at least 7 home appliances with just a single message through GSM mobile..
what should be the further implementation with my project?? plz suggest me..



thanks in advance,
hoping 4 your reply..
 

You have to interface GSM module with any MCU and the MCU after reading the command sent from GSM will drive 7 transistors or ULN2003A which in turn will drive 7 relays which in turn will drive 7 appliances.
 
thanks for reply,
but my first question is how to start with?
i don't know how to program the MCU?
can you suggest its PCB layout?

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thanks for reply,
but my first question is how to start with?
i don't know how to program the MCU?
can you suggest its PCB layout?
 

Start with first AT protocol then do for hardware. Ready made hardware can be used..
 

Google for GSM based projects. I haven't done GSM based projects yet.

See these links

http://microcontroller51.blogspot.in/2011/08/gsm-modem-interfacing-with.html
http://electronicsbasedprojects4u.blogspot.in/2012/03/interfacing-gsm-module-with-8051.html
http://www.engineersgarage.com/mic...facing-gsm-8051-microcontroller-circuit-code

It is not that difficult. It user Serial Communication. You have to write UART code for Receiving data. The serial data receiving uses serial interrupts. Once the data is received you drive the 7 pins which is connected to ULN2003A high.

I can help you if you use any PIC microcontrollers.

See this http://saeedsolutions.blogspot.in/

You can get codes for 8051 and PIC based serial communication in the above link.

You have to use a Compiler to write and compile the code. you can use Hi Tech c, MPLAB C18, MPLAB XC8, CCS C, mikroE Pro PIC compilers if you are using PIC microcontrollers.

mikroE has C, Basic, and Pascal compilers for PIC, 8051, AVR, ARM, dsPIC, PIC32 microcontrollers. if your code is less than 2KB then you can use demo version of mikroE compilers. Do you know C programming?
 
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have u worked on GSM before...........

first try to use the GSM with microncontroller, then rest all part is very simply........
 

no i haven't worked on GSM OR MCU :!:
firstly what should i do??
what are the modules?
please tell me

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yes i know c programming.. in fact i am some what good in it..
but my problem is i don't know how to start with my project.. i need a guidance from A to Z
 

GSM module is used to interface microcontroller and your mobile phone..............

GSM module is must in your project ...............

GSM module receives the message which is sent your mobile and microcontroller will read that message and perform some operation........shortly working principle of your project......
 
hello friends;
my MCU hardware is ready for the above title. i have implemented LCD successfully. now i want to connect alpha-numeric keyboard with this unit. but i didn't get ALPHA-NUMERIC KEYBOARD from market( but there is a only numeric keyboard available). then i have Google it and found some interesting thing- we can use numeric keyboard as alpha numeric keyboard with the use of coding. so my question is- is this a convenient way to use numeric keyboard as a alpha numeric keyboard?? is there any difficulties with it?? please reply...
thanks in advance..

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i found the above stuff on this link-
http://www.engineersgarage.com/microcontroller/8051projects/alphabetic-keypad-AT89C51-circuit
 

hello....
i have a 4 push button switch connected with my MCU. one for selecting the relay out of 5, second is for selecting the pre-listed devices(i.e. 1.fan, 2.tv, 3.AC, etc.. )for any of my relays. 3rd is for conformation purpous..
please provide me some suggestion for coding this to my micro controller...
 

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