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Smart home Environment using iot


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presentation of iot based home auuutomation

Published in: Engineering
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Smart home Environment using iot

  1. 1. WELCOME
  2. 2. BY LAVANYA K S (21) NIVEDITHA SUDARSANAN (28) PARVATHY S M (29) ROMINI YESUDAS (35) Project Assisted By Project Guided By DHANYA M AJITH .A Asst. Prof in ECE Asst. Prof in ECE SEENA R Asst. Prof in ECE
  3. 3. INTRODUCTION • Today, technology has become an integrated part of people’s lives. It has, and continues to influence many aspects of daily life and has allowed better social interaction, ease of transportation etc. • Home automation or sensible home may be delineated as introduction of technology within the home atmosphere to provide ease and protection to its occupants. • By using the technology of the Internet of Things, the examination and execution of home automation have got additional average.
  4. 4. WHY SMART HOME? • Smart Home is Applicable in various aspect of our home and environment to suite our different preferences • Comfort or Ease of Control • Entertainment • Security • Convenience all time • Life time personalization • User friendly
  5. 5. LITERATURE SURVEY • The work of John J. Greichen discussed challenges faced by home automation systems include high manufacturing costs, high development costs • Kelly, Sean Dieter Tebje, Nagender Kumar Suryadevara, and Subhas Chandra Mukhopadhyay. "Towards the implementation of IoT for environmental condition monitoring in homes."
  7. 7. • The physical layer consists of the devices which are to be controlled. • The data link layer consist of IoT gateway router, device manager and various communication protocols. • The raspberry pi is used as the IoT gateway which communicates to personal computer or smart phone by means internet in the network and transport layer. • The application and presentation layer consist of web portal which is nothing but designing a web page by which we can control the various appliances . • The appliances can also be controlled by creating an app in mobile phone which is similar to web portal.
  9. 9. • From the raspberry pi, by means of wifi configuration and IoT concept we can turn ON/OFF the light by using the relay. • Relays are switches that open and close circuits electromechanically or electronically., • The PIR sensor is used to detect the human being presence and sent messages in any case of there is a theft • The lights and fans can be controlled by creating web server in personal computer, tablet or we can create an app in mobile.
  11. 11. • The Internet of things (IoTs) can be defined as connecting the various types of objects like smart phones, personal computer and Tablets to internet. • The aim of the IoT is that enable things to be connected any time, any where with any thing and anyone • IoT brings in very new fangled type of communication between things and people and also between things. • With the introduction of IoTs, the research and development of home automation are becoming popular in the recent days.
  12. 12. • IoTs technology is used to come in with innovative idea and great growth for smart homes to improve the living standards of life. • The IoT-based architecture provides high-level flexibility at the communication and information. • It is an approach which is relevant in many different environments such as patient monitoring system, security, traffic signal control or controlling various applications.
  13. 13. Raspberry pi • The Raspberry Pi is a low cost credit card size single board computer developed by raspberry pi foundation.  Raspberry pi is controlled by a modified version of Debian Linux . The core of the home automation system is this minicomputer.  Several generations of Raspberry Pis have been released.  Here we are using model raspberry pi 3.
  14. 14. Features • 1GB RAM • 4 USB ports • Consist of 40 pins • Full HDMI port • Ethernet port • Camera interface (CSI) • Display interface (DSI) • Micro SD card slot
  15. 15. Pin Diagram
  16. 16. Raspbian • Raspbian is the computer operating system used for Raspberry Pi. • It is a debian based computer operating system • It is also called Noobs OS. • This OS can be downloaded from the website ‘’
  17. 17. PYTHON • Python is a widely used high-level programming language for general purpose programming. • It has wide range of applications from Web development , scientific and mathematical computing to desktop graphical user Interfaces. • Python allows you to write programs having greater functionality with fewer lines of code.
  18. 18. LM35 • Calibrated directly in centigrade • Linear +10 mV/⁰Cscale factor proportional to the Centigrade • Ensured accuracy(at+25⁰C) • Suitable for remote applications • Less than 60µA Current drain • Operates from 4to 30v • Low self heating capability • Low impedance output
  19. 19. PIN DIAGRAM
  20. 20. RELAYS • A relay is an electrically operated switch • control high-current AC loads from lower voltage DC control circuitry. • switched by a much lower voltage and at a much lower current than most mechanical relays.
  21. 21. Features • Trigger Current: 7.5mA/12V • Control Voltage: 24-380V AC • Input Voltage: 3-32V DC • Zero Cross trigger method
  22. 22. MQ6 • High sensitivity to LPG, iso-butane, propane • Small sensitivity to alcohol, smoke. • Fast response . • Stable and long life • Simple drive circuit • Resistance value of MQ-6 is difference to various kinds and various concentration gases • calibrate the detector for 1000ppm of LPG concentration in air • Load resistance ( RL) about 20KΩ(10KΩ to 47KΩ). • When accurately measuring, the proper alarm point for the gas detector should be determined after considering the temperature and humidity influence.
  23. 23. • The sensor requires two voltage inputs: heater voltage (VH) and circuit voltage(VC). • VH is used to supply standard working temperature to the sensor and it can adopt DC or AC power, • VRL is the voltage of load resistance RL which is in series with sensor. • Vc supplies the detect voltage to load resistance RL and it should adopts DC power
  24. 24. PIR Sensor • A device used to detect motion by receiving infrared radiation. • They are small, inexpensive, low-power, easy to use • PIRs are basically made of a pyroelectric sensor, which can detect levels of infrared radiation • Along with the pyroelectic sensor is a bunch of supporting circuitry, resistors and capacitors • . This chip takes the output of the sensor and does some minor processing on it to emit a digital output pulse from the analog sensor.
  25. 25. • Digital pulse high (3V) when triggered (motion detected) digital low when idle (no motion detected). • Pulse lengths are determined by resistors and capacitors on the PCB and differ from sensor to sensor. • Sensitivity range: up to 20 feet (6 meters) 110° x 70° detection range • Power supply: 5V-12V input voltage for most modules
  26. 26. Wi-Fi • A radio technology that networks the devices • Refers to wireless LAN products based on the IEEE802.11g specification • Provides easy connections to the internet and buisness networks while travelling • The main attractive feature of this technology is that it can provide wireless broad band connection within a specific geographic boundary • A Wi-Fi hot spot is created by installing an access point to an internet connection • An access point acts as abase station • When Wi-Fi enabled device encounters a hotspots the device can then connect to that network wirelessly • A single access point can support up to 30 users and can function within a range of 100-150 feet indoors and up to 300 feet out doors
  27. 27. MCP3008 ADC • The MCP3008 is a 10bit 8-channel Analogue-to-digital converter (ADC). • It is cheap, easy to connect and doesn’t require any additional components. • It uses the SPI bus protocol which is supported by the Pi’s GPIO header.
  28. 28. PIN DIAGRAM
  29. 29. WEB SERVER • Various applications located at home can be remotely controlled • information are stored in embedded system • Such type of web servers are called embedded web server • we will use the Raspberry Pi to induce the information from servers • Raspberry pi also can serve sound, video, workable programs
  30. 30. USER INTERFACE • the user will see and act with. • the android enabled phone makes control • provides a range of pre-build program parts • provides other User interface modules • enable the user to look at the device status
  31. 31. ADVANTAGES • Flexibility • Programmatically control devices • Better scalability and security • Energy saving • Improved comfort and safe
  32. 32. DISADVANTAGE • High cost • Damage of cable affect entire system • Signal receiving problem • Human error occur • Huge system crash
  33. 33. FUTURE SCOPE • Controlling various household devices of house with internet • Industrial automation and management through internet • machine-driven fireplace exit systems • improvement of security problems in extremely restricted areas.
  34. 34. CONCLUSION • we have introduced the event of a home management • security system exploitation using Raspberry pi and IoT • The system is suitable for remotely controlling the home appliances . • The system may be employed in many places like banks, hospitals etc
  35. 35. Thank you