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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.
The Base Station bridges the central server to the L1 node network.
It connects to the central server using USB, and then connects to the rest of the L1 nodes via Cat5 cable (RS-485 signaling) and wirelessly.
iHome Security & Automation System Hardware Description-Base Station
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
Radio frequency -Wi-Fi ,GPRS ,Bluetooth and infrared
iHome Security & Automation System
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
X10 is a communications "language" that allows compatible products to talk to each other using the existing electrical wiring in the home
X10 is a standard for communication among electronic devices used for home automation, also known as domotics. It primarily uses power line wiring for signaling and control, where the signals involve brief radio frequency bursts representing digital information.