Embed Size (px)
Citation preview
Abstract
Other Resources Financial Resources
Project Schedule
Personnel Efforts
Item Description Cost
STK300 Microcontroller donated (Kanda)
GM28 Cellular Moduledonated (Ericsson)
Misc. Components $ 65.00
Final Project Enclosure $ 3.00
Project Poster $ 0.00
Total Estimated Materials $ 68.00
This project will enable users to remotely control their home appliances and systems using a cell phone-based interface. To access the system, the user will send an authentication code along with a desired command to the control unit using the short message service (SMS). Upon authentication, the control unit will perform the desired command and return a status message back to the user.
Design Objectives•Set up communication between cell phone and receiving device
•Set up communication between receiving device and microcontroller
•Implement control circuit interface from microcontroller to electrical appliances
Functional Requirements
•Controlled appliances must be electrical.
•Functionalities of the controlled device
•Battery and power converter ratings
•Capabilities of the microcontroller
Design Constraints•Communication between cell phone and receiver
•Hardware aspect of the receiver is inter-connected
•Implement control circuit from microcontroller to appliances
Measurable Milestones
•Receiver will connect to the cellular network.
•Receiver should authenticate user through cell phone number and/or password
•Receiver will parse and interpret (ASCII) text
•Microcontroller in receiver will control the electrical appliances through I/O interface
•Microcontroller should return status message
Materials $ 68.00
Labor ($10.30/hr) $ 6,530.00
Total Cost $ 6598.00
The extensive capabilities of this system are what make it so interesting. From the convenience of a simple cell phone, a user is able to control and monitor virtually any electrical device in a household. This makes it possible for users to rest assured that their belongings are secure, that the garage door is shut, and that the television was not left running when they left the house.
Cell Phone-Based Remote Home Cell Phone-Based Remote Home Control System Control System
Introduction
•The cellular phone will operate indoors or outdoors, wherever a cellular signal exists
•The control unit will operate indoors within the temperature and humidity limitations required for the proper operation of the hardware
Operating Environment
Users
• Consumers who want to monitor and/or control household appliances from a remote location
Intended Users and Uses
Assumptions and Limitations
The end-product is a control unit that integrates the following components:
•Cellular receiver
•Microcontroller
•Controlled devices
Expected End-Product
The objective of this project is to develop a system that allows the remote control of multiple home appliances from a cell phone-based interface. This system will be a powerful and flexible tool that will offer control and monitoring of appliances at any time and from anywhere within the constraints of the technology in use. The target appliances include climate control systems, and lights although many other appliances can also be controlled.
Problem Statement
Limitations
•The receiver must reside in a location where a signal with sufficient strength can be received from a cellular network
•Only electrically controllable appliances will be possible targets for control
Assumptions
• Cellular phone and service provider support text messaging service (SMS)
• All service charges from service provider apply
• User and control unit can communicate over a cellular phone network
Proposed Approach• Cellular Networks: The widely available
networks are based on GSM.
• Communication protocols: DTMF, GPRS and SMS.
• I/O interfaces between microcontroller and devices: Serial or parallel I/O
• Research technologies
• Purchase or build components
• Implement components into system
• Test and evaluate system
• Integrity of message string
• Hardware/software interface
• System response time
• Power supply testing
Testing Considerations
Technologies Considered
Team Member :
Client ISU Department of Electrical and Computer
Engineering
Faculty Advisor Professor Ahmed E. Kamal
Project May06-13
Website
http://seniord.ece.iastate.edu/may0613/
Adam Mohling (CprE)
Chau Nguyen (EE)
Issa Drame (EE)
Arturo Palau (EE) [email protected]
190
178
184
748
Adam Mohling
Chau Nguyen
Issa Drame
Arturo Palau
Other Resources
Total Hours
Project Reporting
End-Product Demonstration
End-Product Documentation
End-Product Testing
End-Product Implementation
End-Product Design
Technology Consideration and Selection
Problem Definition
634213306098120207023Total:
800080000Other Resources
745200005116Arturo Palau
18455101530355286Issa Drame
17850102035355185Chau Nguyen
19056102525505136Adam Mohling
$6,530
$82
$762
$1,895
$,1833
$1,957
Labor Cost
(10.30/hr)
• Current detection circuit
• User authentication
• Correct status messages
• Proper control device operations
Uses
• Remotely controlling household appliances such as: AC, lights, fans, thermostats, etc.
Cell Phone
GM28 Cellular Module
STK300 Microcontroller
Appliances
Send message
Send status
Issue command
Send completion status
•Decode incoming message•Send instruction to appliance•Monitor completion status
•Communicate with network•Transfer data to microcontroller
•Send text message•Receive status message
Send message
Send status
Thermostat
Garage DoorFan
Lamp
•Perform required instructions
Project Requirements
Resources & Schedules
Solution Development
Closing Summary
