The document discusses home automation and security systems. It describes a 4-level node system to control different automation aspects through sensors, controllers and actuators. Level 0 nodes are sensors that connect to Level 1 interface nodes. Level 1 nodes control Level 0 nodes and provide a user interface. A base station connects Level 1 nodes to a central server. Level 2 nodes control audio/video and connect directly to the server. Level 3 nodes may provide video streaming. The system uses various wired and wireless technologies to connect nodes and devices.
2. Home Automation System Home Automation is a field specializing in the specific automation requirements of homes and in the application of automation techniques for the comfort and security of its residents.
11. iHome Security & Automation System iHome Automation Overall Flowchart
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13. iHome Security & Automation System iHome Automation Overall Flowchart
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18. iHome Security & Automation System MCU TI MSP430F149 Touch Sensors RS-485 Transceiver 1 Mb Flash LCD Display USB Endpoint 8-bit Parallel Bus SPI Bus Digital Potentiometer MCU TI MSP430F169 RS-485 Transceiver USB USB Endpoint USB Optional USB alternative to RS-485 / Base Station RS-485 Bus Quadrature Encoders PWM Level 1/ Base Station Block Diagram
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20. A standard 8P8C (often called RJ45) Ethernet connector. iHome Security & Automation System
21. iHome Security & Automation System MCU Atmel AT91SAM7S256 (ARM7TDMI Core) RJ45 Connector MP3/WAV Encoder/Decoder VLSI1003 512kbyte SRAM Buffer CY62148BLL Ethernet Realtek 8019AS RCA/Stereo Mini Connector (30 Ω ) Stereo Mini Connector 2x22W Speaker Output (4 Ω ) 8-bit Parallel Addressed Bus 8-bit parallel bus with latched/ translated address bus SPI Line In Stereo Output L2 Block Diagram
22. iHome Security & Automation System iHome Automation Overall Flowchart
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26. Technology Transmission medium Transmission speed Maximum distance to the device Ethernet Fibre optics 10 Mbit/s – 1 Gbit/s 100 m – 15Km Wi-Fi Radio frequency 11 Mbit/s – 248 Mbit/s 30 m – 100m USB Twisted pair 12 Mbit/s – 480 Mbit/s 5 m Bluetooth Radio frequency 1 Mbit/s – 10 Mbit/s 10 m – 100m IRDA Infrared 9600 bit/s – 4 Mbit/s 2 m LonWorks Twisted pair / Electrical wiring / Radio frequency / Coaxial 1.70 kbit/s – 1.28 Mbit/s 1500 m – 2700m X10 Electrical wiring 50 bit/s – 60 bit/s