F12: Android Door Lock
Contents
Android Door Lock
Abstract
Using GPS and Wifi, our door lock can be locked and unlocked remotely with an Android device.
Introduction & Features
- UART communication between RN-XV WiFly Module and LPC2148 Microcontroller.
- TCP server running on LPC2148 handling requests from the Android application.
- GPS to capture coordinates and unlock door when user is within a certain distance.
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Team Members & Responsibilities
- Rosemary Chen
- Create the UART1 driver that enables communication between the wireless module and the microcontroller.
- Cindy Li
- Create the UART1 driver that enables communication between the wireless module and the microcontroller.
- Hai Wang
- Create a TCP client Android application that allows connectivity between the wireless module (server) and the Android application (client).
Schedule
Show a simple table or figures that show your scheduled as planned before you started working on the project. Then in another table column, write down the actual schedule so that readers can see the planned vs. actual goals. The point of the schedule is for readers to assess how to pace themselves if they are doing a similar project.
| Week Number | Scheduled Items | Actual |
|---|---|---|
| November 2, 2012 |
|
Done |
| November 9, 2012 |
|
Done |
| November 16, 2012 |
|
In progress |
| November 23, 2012 |
|
In progress |
| November 30, 2012 |
|
In progress |
| December 7, 2012 |
|
In progress |
Parts List & Cost
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| Parts | Cost |
|---|---|
|
Nexus 7 Android Tablet |
$249.00 |
|
RN-XV WiFly Module |
$34.95 |
|
Electric Door Strike |
$12.00 |
|
LPC2148 Microcontroller |
$60.00 |
**Cost excludes shipping and handling
Design & Implementation
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Hardware Design
Discuss your hardware design here. Show detailed schematics, and the interface here.
Hardware Interface
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Software Design
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Implementation
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Testing & Technical Challenges
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Wifi Connection Issues
Many wifi connection issues were encountered. To solve this problem, a dedicated task was created to re-connect to wifi if the connection was ever lost.
Conclusion
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Project Video
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Project Source Code
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References
Acknowledgement
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References Used
- Android Developers Website: http://developer.android.com/index.html
Appendix
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