Monitoring & Controlling Devices via SMS (39

Monitoring and Controlling of Devices Using GSM By: Priyanka (ECE)

CONTENTS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

INTRODUCTION ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],RF Receiver M I C R O C O N T R O L L E R (at 89s52) RF decoder gsm modem max 232 Table Fan (Device 1) relay 1 Table Lamp (Device 2) relay 2 LCD Display Buzzer memory at24c04 Power supply (lm 7805) Sensor RF Encoder RF Transmitter

WORKING PRINCIPLE ,[object Object],[object Object]

GSM MODEM ,[object Object],[object Object]

GSM MODEM(CONT…) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

COMMANDS FOR SMS OPERATIONS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MICROCONTROLLER-AT89S52 ,[object Object],[object Object],[object Object]

MAX232 ,[object Object],[object Object]

EEPROM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

I2C ,[object Object],[object Object]

RELAY ,[object Object],[object Object],[object Object],[object Object]

PCB ,[object Object],[object Object]

ADVANTAGES ,[object Object],[object Object],[object Object]

APPLICATIONS ,[object Object],[object Object],[object Object],[object Object],[object Object]

LIMITATIONS ,[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

CONCLUSION ,[object Object],[object Object],[object Object]

Monitoring & Controlling Devices via SMS (39

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