Alarm circuit Edit

Inside jobs Edit

  • Owner must receive a text, SMS on his cellphone upon deactivation of alarm. The employee of the business makes duplicate keys and knows where the alarm panel is. He enters ther premise after hours triggering the outdoor PIR and opens the door with his duplicate key. The alarm company arrives, but cannot find any forced entry and departs. The employee then deactivates alarm. Insist on a networked connected, cellphone alarm system that informs you the owner via SMS, whatsapp etc. that your alarm has been switched off. GSM jamming is detected with, the modem pulls in a relay which is connected to the ADSL line.
  • Install Ultrasonic sensor adjacent to alarm keypad panel.
  • An RFID tag in addition to keypad typing for deactivation.

hackaday Edit , ,

Links Edit

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