Features
•    GSM Based Home Security System is used to detect 2 input Zones .
•    The main objective of GSM Based Home Security is to alert the owner by  SMS and Phone calling if any trespass in the security zones.
•    In each zone (RB0 & RB1 printed on board) separate sensor is connected .This sensor can be either NC (Normally Closed) or Normally Open (NO) .By default it is NC , but can be set to NO by giving SMS command DNO.Further this sensor point can be connected in Series also , so any break in series connection will trigger SMS and Dialling.
•    When the Door Opens (sensed by RB0 or RB1 sensors) this will give signal to Automation Then GSM Modem Dial to 5 Mobile Number stored in the memory one by one.
Battery backup  - 8 to10 hours
Input you can configure NO / NC  as per input sensing
Operation thru SMS commands given in image above.
Master number can be stored by sensing SMS  1STNxxxxx  to the number on GSM Board.
All SIMs are supported except JIO .  JIO SIM will not work with this board.
Simple ANDROID Application is provided to send SMS .You can Download the App HERE
 
package contains :
1 GSM Security Module with Antenna
1 3.7V 3000mAh Battery
1 Power Adapter 12v 2A 
1 NO type DOOR Sensor