S15: CAN controlled RGB LED cubes

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Grading Criteria

  • How well is Software & Hardware Design described?
  • How well can this report be used to reproduce this project?
  • Code Quality
  • Overall Report Quality:
    • Software Block Diagrams
    • Hardware Block Diagrams
      Schematic Quality
    • Quality of technical challenges and solutions adopted.

Project Title

CAN controlled RGB LED cubes

Abstract

In this project, data(1 byte) sent from an android application will be displayed in a 3D form on a LED cube. Two LED cubes will be connected to two different SJone boards, these SJone boards are connected to a third SJone board using CAN bus. The LED cubes will be connected to their respective SJ boards through shift registers. The boards will implement SSP protocol to communicate with the shift registers. A bluetooth module is connected to third SJone board. Android application sends data to be displayed along with the information about the SJone board(one of the LED cube) to be selected.

Objectives & Introduction

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Team Members & Responsibilities

  • Chitrang Talaviya
    • LED cube design
    • Implementing CAN protocol
    • Bluetooth module interfacing
  • Navjot Singh
    • Implementing CAN protocol
    • Bluetooth module interfacing
    • FreeRTOS environment
  • Anuj Korat
    • LED cube design
    • Generating patterns
    • Implementing SSP with the shift registers
  • Daamanmeet Paul
    • Android application development

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# Start Date Task Status Completion Date
1 3/15 Finalizing & ordering components Completed 3/17
2 3/27 3x3x2 LED cube testing with SPI interfacing Completed 4/10
3 4/8 Bluetooth Interface In progress 4/17
4 4/8 Android application In progress 4/25
5 4/16 4x4x4 LED cube construction Not Started 4/26
6 4/20 CAN protocol programming Not Started 4/30
7 4/27 Generating patterns on LED cubes Not Started 5/7
8 5/1 Implementing FreeRTOS for the system Not Started 5/10
9 5/10 Final Debugging & testing Not Started 5/15

Parts List & Cost

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Design & Implementation

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Hardware Design

Discuss your hardware design here. Show detailed schematics, and the interface here.

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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Include sub-sections that list out a problem and solution, such as:

My Issue #1

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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# Components Quantity Price($)/component
1 RGB LEDs pack of 100 2 9.95
2 CAN transceivers 15 Free
3 Shift registers, SC74HC595 10 1.49
4 SJone boards 3 80
5 Bluetooth module 1 20
6 Steel wire 1 8
7 Soldering kit 1 ~40
8 Jumper wires(each type) 1 25
9 ULN 2003 4 12
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