Smart Door Mate Security System

Key Points

• The aim is to develop a low-cost security system that notifies homeowners about visitors at their door without continuous monitoring.
• Built a doormat with pressure sensors to detect weight.
• Used Raspberry Pi 4B+ for processing and notifications.
• Implemented image capturing through a rotating camera triggered by visitor presence.
• Utilized Telegram for sending alerts to the homeowner.
• Ensured the system operates independently without subscription fees.
• The system alerts homeowners instantly when someone steps on the mat.
• It captures and transmits the visitor's image remotely.
• Total cost is under ₹5,000, making it affordable for most users.
• The system only activates when weight is sensed, conserving power.