Quantity   Component name
6 × Arduino Pro Mini 5V 16Mhz This is the controller for sensor nodes.
1 × CC3200 SimpleLink WiFi Launchpad Main controller and IoT gateway
7 × NRF24L01+ Wireless Radio for sensor nodes
6 × AMS1117 3.3V LDO Regulator 3.3V Regulators for NRF24L01+ modules
1 × RFID Reader To authorize entry into the house
1 × SIM900 GSM Module Send notification in case WiFi not available
2 × PIR Motion Sensor To detect movements in the room
1 × Obstacle Detector To detect intrusion through windows
2 × 5V 2 channel relay modules To control appliances in the room
1 × Magnetic Door Contact Switch To detect door opening
1 × DS1307 RTC Keep time
2 × 7805 Voltage regulators for Isolated power supplies for Relay modules.