Here This Project Is Actively Used IThe Idustries For Controlling The Temperature Accoding TO Their Need.This System Can Be Used In Medical Lab , poultary Farm Just To Keep The Track Of The Temerature And Control The Load Setting Accordigly.Using GSM Module

Here In This Project The Load is Conected To The Bulb. And There Are Two option Given In This System 1 Predefined And Manual

1-In The Predefined SettingThe Upper Limit And The lower Limit Temperature Is Defined In The System ..For Ex. 20 Degree And 40 Degree Is Set As Temperature When System Shld Sop Working That Is Load Should get Switced Off .So When The Temperature Rise Above 40 Degree Or Below 20 Degree System Stops Working  And The Message Is Sent To Registered Mobile Number Through GSM Module As Shown In The Video.

2- Manual In This Setting User Can Add Upper Limit As Well As Lower Limit Temperature Value And Control the ad Accordingly .As Shown n TheVideo..

COMPONENTS

1. GSM Module
2. DS18B20 Temperature Sensor
3. LCD 
4. LED
5. Relay 
6. 8051 Moro-Controller
7. Bulb/Holder

BLOCK DIAGRAM