It is challenging to implement the wireless solution as the wired systems. Various aspects including message response latency, connection reliability, and power consumption, have to be taken into consideration. Therefore, evaluation for possible wireless solutions is needed before implementing the s
IOT Based Home Automation System
It is challenging to implement the wireless solution as the wired systems. Various aspects including message response latency, connection reliability, and power consumption, have to be taken into consideration. Therefore, evaluation for possible wireless solutions is needed before implementing the solution to industrial world.
Smart Home and Building automation is developed to satisfy the needs for health, safety and comfort living conditions. The concept of building automation includes the integration and centralized management of a building’s heating, ventilation, air conditioning, lighting, security and other systems through a Building Automation System (BAS). The BAS consists of interlinked networks of hardware and software, which monitors the environment around the building, and maintains the core functionality by schedule and automatically, from lighting, shading to temperature. A network in which a PC/Node can be installed in houses which can sense the peak hours in electric load and warn the user about it. It can give user the option to turn heavy load devices like Iron/Hair dryer after a specified amount of time to avoid extra use of it, in case the user forgot to turn it off.
The goal of this project is to measure the round trip time (RTT), packet delivery ratio (PDR) and power consumption of 6LoWPAN network with specific hardware devices and software configurations. Our experiment result can be used to evaluate if the 6LoWPAN network fulfills the requirements of industrial applications .
In the first stage we will investigate and compare the 6LoWPAN protocol with ZigBee, BLE and other potential competitors. Then the test platform will be modified for our test purpose. After the preparation work, about half of the whole project time will be spent on performing the tests. The analysis and report work will be in the last few weeks.
A WSN is built of groups of specialized "nodes" that use radio for communication. Each node in the WSN is typically composed of several parts: a radio transceiver, a microcontroller (MCU), an electronic circuit and an energy source. The radio transceiver is attached with an internal or external antenna to transmit data packets. The electronic circuit connects the MCU to sensors for data collection, or actuators for specific action. The energy source can be mains powered, battery or even embedded with energy harvesting. The scale of WSN varies from a few to several hundreds or even thousands of nodes.
Incorporating interoperable IP based WSN, uses the protocol stacks and standard of the Internet of Things paradigm. The performance of fundamental issues of this network will be emulated in Tmote Sky for 6LoWPAN over IEEE 802.15.4 radio link using the Contiki OS and the Cooja simulator. Moreover, we shall investigate and compare the 6LoWPAN protocol with other potential competitors.
The simulation setup is designed on Contiki OS and Cooja simulator to test CoAP, RPL routing as well as the proper functioning of 6LoWPAN border router. The implementation of IPV6 low power and lossy network (6LoWPAN) will be performed Tmote Sky platforms and will be communicated through raspberry pi 3 model gateway/border router and cloud.
Our project simulation will be done on Contiki. The Contiki OS is designed particularly for low-power wireless IoT devices with constrained memory and resources. Contiki provides a light-weight programming model based on protothreads, achieving low memory overhead of each process. The components used in our projects and their purpose is described as follows;
Tmote sky will be used to sense temperature, humidity and light of all the rooms and send the information to server.
It will be used as a server where the sensor will send information. Raspberry pi will decide what to do with that information and further give commands whether to turn the AC ON/OFF or either to turn the light ON/OFF.
It will show the commands being given or the option to change the commands manually from the screen.
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| Tmote Sky | Equipment | 2 | 35000 | 70000 |
| Raspberry Pi | Miscellaneous | 1 | 8000 | 8000 |
| Stationery (e.g. Wires etc.) + Printing | Miscellaneous | 1 | 2000 | 2000 |
| Total in (Rs) | 80000 |
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