Smart Security System

Scott van Tonningen, Ph. D.Capstone DesignMay 8th, 2015By: Guriqbal Singh, Ibrahim Rogers, Viktar Rybaltouski

Problem Statement

Almost all home security systems available to consumers require monitoring by an outside party such as ADT and ESCO; these outside parties usually charge an installation fee and a recurring monthly fee.

Our design called The Smart Security System (SSS) will allow home and business owners to monitor their homes and businesses via their smart phones.

Activating and deactivating the sensors will be done via their smart phone wirelessly using Wi-Fi technology. This allows them to have control of the system regardless of where they are.

Our system will include a motion sensor, gas/smoke detector, temperature sensor, and a built in camera.

Customer Research

Target audience: home and business owners seeking property protection against theft, fire, and common household gas leaks.

Based on a customer survey research importance of certain features were rated:

33%

23%

28%

10%

6%

Total controlVisual ImageSmoke & Temp SensorCostShare alerts

Marketing requirements

Must be available for purchase for less than $400. Battery powered. Must not be greater than 6 x 7 inch. User should have full control of the system. User must be able to receive visual and audible alerts via a smart phone

or computer. Wall/ceiling mounting capability. Detect common gasses such as LPG (propane or butane), methane,

smoke (CO) and alcohol. Detect motion.

Engineering requirements

Low power consumption, maximum voltage 5 VDC at 300mA. Dimensions of system: 6’’H * 7’’W * 2’’D. Device has to be controlled wirelessly via Bluetooth or Wi-Fi. Visual images will be in Joint Photographic Experts Group (JPEG) format. At

least 2 Mega pixels. Device must detect common gasses (LPG (Propane/Butane), methane,

hydrogen, smoke and alcohol) at concentrations of 300ppm to 5000ppm. Detect levels of infrared radiation at a range of 110 degrees (front view),

70 degrees (side view) for up to 15ft. +/- 1ft. Temperature sensor must have an operating range of 35 to 120 degrees

Fahrenheit with accuracy of +/- 2 degrees Fahrenheit. Humidity range of 25 to 90% with accuracy of +/- 5% RH for the humidity.

SYSTEM DESIGN

Results

Working devicesAll sensors are built and working. They also meet all their individual engineering requirements.

Motion sensor: working at a range of up to 15ft and 110 degrees front view and 70 degrees side view.

Temperature and Humidity sensor: working at a range of 35 to 120 degrees Fahrenheit and 25 to 90% humidity. ±5 ％ RH, ±2°F

Smoke/ gas sensor: detects common gasses at concentrations of 300ppm to 5000ppm.

Results Camera module:

Results

Camera module: 2 Mega pixels picture JPEG format Resolution 640x480

Spark core WIFI

What is Spark Core• Spark Core is a complete Wi-Fi enabled

development platform for creating connected devices with ease.

• Easy to program.

• Built in microcontroller.

• Application is available for smart devices.

What is SmartThings? SmartThings is the platform that is open to

developers to create their own system.

Open physical graph.

SmartThings also sells monitor equipment for user to go buy and use with there app.

SmartThing Dashboard application

SmartThings App Dashboard

Motion Sensor Setting

Final Dashboard

Problems: Spark Core & SmartThings Communication Protocol

Compatibility

Schedule

Marketing and Engineering Research

Microprocessor research

Research on motion sensor and its compatibility with microprocessor

Research on output device (buzzer)

Research on gas sensor and its compatibility with microprocessor

Research on temperature/humidity sensor and its compatibility with microprocessor

Code development, construction and testing of sensor subsystem

Research on camera and its compatibility with microprocessor

Code development and construction of camera subsystem

Research on Wi-Fi module and its compatibility with microprocessor

Reserach on interfacing smartphone and microprocessor using Wi-Fi

App construction; implementation into the system

Testing and Troubleshooting of entire system

9/18/2014

11/7/2014

12/27/2014

2/15/2015

4/6/2015

5/26/2015

1/3/2015

1/11/2015

1/16/2015

1/19/2015

1/22/2015

1/25/2015

2/2/2015

2/7/2015

2/14/2015

2/7/2015

2/20/2015

3/2/2015

4/1/2015

14

8

3

3

3

7

5

82

75

82

69

59

30

Budget information

Cost Analysis for Smart Security System Prototype DevelopmentItem Unit Unit Cost ($) # Units Cost

Engineering Labor:        Research hr $43 100 $4,300 Modeling hr $43 128 $5,504 Testing and Analysis hr $43 98 $4,214 Parts:        Microprocessor ea $38 1 $37 Camera ea $50 1 $50 Gas sensor ea $3 1 $3 Temperature Humidity sensor ea $8 1 $8 Motion sensor ea $10 1 $9 Bluetooth module ea $8 1 $37 Wi-Fi module ea $45 1 $45 Buzzer ea $0 1 $0 Software ea $0 1 $0 Parts cost:       $189 Grand Total:       $14,207

Conclusion

About ¾ of design has been completed. Currently working on integrating the Wi-Fi into design. Each subsystem has been tested individually. Testing of entire system needs to be done.

Questions?

Please, stop by Educational Activity Building for demonstration!