S18: Spark - Wireless Music System

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Spark - Wireless Music System

Abstract

The project aims to build an embedded system based music system using SJOne (LPC1758) board. The system will play music through a speaker interfaced with the board. A mobile application will be used to remotely control the system using Bluetooth. The app will be able to send the start and stop signal to play music as well as switch the song and modify volume. The playlist for music will be stored on an SD card mounted on the SJOne board. An audio decoder is required as a mediator between speaker and SJone board. It will read data from SD card using SPI interface, convert this data into audio data and send to the speaker. RGB Spectrum of Audio will be shown on the LED.

Objectives & Introduction

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Team Members & Responsibilities

  • Sucheta Iyer
    • Interfacing the SJONE board with speakers via the audio decoder.
  • Sneha Sharma
    • Interfacing the SJONE board with speakers via the audio decoder.
  • Krishna Sai Anirudh Katamreddy
    • PCB design
  • Ashwini Bhargava
    • Interfacing the SJONE board with RGB Display
  • Doyal Patel
    • Interfacing the SJONE board with RGB Display

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# Date Task Actual
1 4/3 Project Abstract Completed
2 4/17 Order Parts Completed
3 4/24 Initialize LED Completed
4 5/1 Testing and debugging LED screen with different colors and rows
5 5/8 Get audio spectrum values and display on LED
6 5\15 Testing and Final Report

Parts List & Cost

Give a simple list of the cost of your project broken down by components. Do not write long stories here.

Sr. No. Component Cost
1 SJONE board $80
2 Audio Decoder $24.95
3 16*32 RGB Screen $32.42
4 $

Design & Implementation

The design section can go over your hardware and software design. Organize this section using sub-sections that go over your design and implementation.

Hardware Design

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Hardware Interface

In this section, you can describe how your hardware communicates, such as which BUSes used. You can discuss your driver implementation here, such that the Software Design section is isolated to talk about high level workings rather than inner working of your project.

Software Design

Show your software design. For example, if you are designing an MP3 Player, show the tasks that you are using, and what they are doing at a high level. Do not show the details of the code. For example, do not show exact code, but you may show psuedocode and fragments of code. Keep in mind that you are showing DESIGN of your software, not the inner workings of it.

Implementation

This section includes implementation, but again, not the details, just the high level. For example, you can list the steps it takes to communicate over a sensor, or the steps needed to write a page of memory onto SPI Flash. You can include sub-sections for each of your component implementation.

Testing & Technical Challenges

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<Bug/issue name>

Discuss the issue and resolution.

Conclusion

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Project Video

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Project Source Code

References

Acknowledgement

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References Used

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Appendix

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