DIGITAL NOTICE BOARD Project guide:- Group Members:- Ravinder chahal Vishvender singh Suresh Rishi raj singh Robbin chibber Project guide:- Mr.yogesh chauchan Mr. namanish
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
BLOCK DIAGRAM LCD SMS
COMPONENTS REQUIRED Power Supply 5v DC 7805 Microcontroller PIC 16F Crystal oscillator 4MHz MAX 232 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
CIRCUIT DIAGRAM
WORK DONE HARDWARE PART WORK REMAINING CODING PART
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