1. DIGITAL NOTICE BOARD Project guide:- Group Members:- Ravinder chahal
Vishvender singh
Suresh
Rishi raj singh
Robbin chibber
Project guide:-
Mr.yogesh chauchan
Mr. namanish

2. TECHNOLOGY USED GSM EMBEDDED SYSTEM Most Popular Mobile Technology
Launch -1991by Radiolinja in Finland
Frequencies -900/1800MHz
Range –Global
Interface –Subscriber Identity Module
Services –SMS,MMS,GPRS,EDGE…
EMBEDDED SYSTEM

3. BLOCK DIAGRAM
LCD
SMS

4. COMPONENTS REQUIRED  Power Supply 5v DC 7805
 Microcontroller PIC 16F
 Crystal oscillator MHz
 MAX For Serial Communication
 GSM Transmitter and Receiver Modem
 Lcd Two line display
 Keys
 Rs 232
 Resistors , variable resistor
 Capacitors
 DB9 (male & female)
 12 V transformer
 Didodes

5. CIRCUIT DIAGRAM

6. WORK DONE
HARDWARE PART
WORK REMAINING
CODING PART

7. ANYthing you want to share????????
THANKS…
ANYthing you want to share????????