[ REPORT ] Display Message on Notice Board using GSM

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Display Message on Notice Board using GSM

Abstract

Notice board is primary thing in any institution or organization or
public utility places like bus stops, railway stations or parks. But
sending various notices day to day is a tedious process. This paper
deals with advanced notice board.
It presents an SMS based notice board incorporating the widely used
GSM to facilitate the communication of displaying message on notice
board via user’s mobile phone. Its operation is based on
microcontroller ATMEGA32 programmed in assembly language. A
SIM300 GSM modem with a SIM card is interfaced to the ports of the
microcontroller with the help of AT commands.
When the user sends a SMS via a registered number from his mobile
phone, it is received by SIM300 GSM modem at the receiver’s end.
SIM300 is duly interfaced through a level shifter IC MAX32 to the
microcontroller. The messaged is thus fetched into the microcontroller.
It is further displayed on an electronic notice board which equipped
with LCD display interfaced to microprocessor powered by a regulated
power supply from mains supply of 230 volts ac.
This project is our experiment on real time noticing.

RF BASED PROJECTS

 RF BASED PROJECTS   :REPORT ARE SHORTLY COMING

1.     DECRYPTION USING RF COMMUNICATION
2.     SMS TRANSMITTING USING RF MODULE:> REport
3.     RF Control Of Induction Stepper Motors and other industrial Loads
4.     Industrial Automation System Using RF
5.     CHANNEL RF BASED REMOTE CONTROL
6.     Remote Areas Data Acquisation Using RF Module Abstract.
7.     Remote Areas Data Acquisation Using RF Module Abstract.
8.     WIRELESS CHATTING USING RF Abstract
9.     Modern house automation (AC/DC) using RF communication Abstract
10.     Wireless Vehicle trace using IF and IR project Abstract
11.     DETECTING THE CONDITIONS OF REMOTE AREAS USING RF MODULE
12.     TRACKING POLICE MAN USING RF PROXIMITY CARD

13.   NOTICE BOARD USING RF MODULE:> REport
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DOOR LOCKING SECURITY SYSTEM UING GSM

DOOR LOCKING SECURITY SYSTEM UING GSM
ABSTRACT
The main aim of this project and implimentation is to provide security at homes, offices etc. The system automatically locks the door as soon as it receives a predefined message from the user.
This project and implimentation uses the wireless communication, GSM. To receive the messages from the user mobile, we need a GSM modem. This modem will be interfaced to the microcontroller through serial interface. A modem provides the communication interface. It transports device protocols transparently over the network through a serial interface. A GSM modem is a wireless modem that works with a GSM wireless network. A wireless modem behaves like a dial-up modem. The main difference between them is that a dial-up modem sends and receives data through a fixed telephone line while a wireless modem sends and receives data through radio waves.
If the user is somewhere far from the main door and he wants to close the main door right from the place he is standing, he has to send a predefined message to the modem. The controlling unit will be fixed at the main door. The controlling unit contains the microcontroller and the GSM modem interfaced to it. The microcontroller continuously checks whether it has received any message from the modem.
When the user sends the predefined message to the modem, the modem receives the message and intimates the same to the microcontroller. The microcontroller retrieves this message from the modem by issuing certain AT and T commands to the modem. Thus, after receiving the message from the modem, the microcontroller automatically closes the door by rotating the stepper motor fixed to the door. This will be done perfectly without the involvement of any human.

code line following using MBLAB program

Program Code : .
The program was written by using MBLAB program . In this program 2 PWM channels
are used to reduce engine speeds. For details, you can make contact with author
quoc_huy115@yahoo.com
*********************************************
void main(void)
{
unsigned char i;
TmrGen = 0x0;
System_Init(); // user.c
RunFlag = 0;
Sensors._byte = 0x0;
LED5_On();
if(RunFlag)
{
i = Sensors._byte & 0xF;
switch(i)
{
case 0b0000:
Stop();
break;
case 0b0110:
case 0b0010:
case 0b0100:
Run();
break;
case 0b1100:
case 0b1000:
Turn_Right();
break;
case 0b0011:
case 0b0001:
Turn_Left();
break;
}//end switch
}
else
}//end main
*************************************************