1. Final Presentation Music Alarm Clock

2. Team Members Will Kalish Electrical Engineering Removable Media Device Audio Decoder Eric Womack Electrical Engineering MCU Setup User Interface Craig Bilberry Team Leader Electrical Engineering Layout and Design Atomic Clock Signal Erik LaVine Electrical Engineering Layout and Design Audio Decoder

3. Overview Introduction Introduction  Problem  Solution Constraints Constraints  Technical  Practical Goals Goals Changes/Refinements Changes/Refinements PCB PCB Test Plan Test Plan Bill of Materials Bill of Materials Packaging Packaging Overall System Test Overall System Test Questions Questions

4. Problem Limited customizable options for people without digital media players  Beeping  Buzzing  Radio Conventional clocks develop inaccuracies over long periods of time

5. Solution A device that combines the functionality of an atomic clock, an alarm clock, and a portable media docking station without the need for a portable media player.

6. Constraints

7. Technical Constraints Name Description Audio QualityMusic must be played at a sample rate of 44.1 kHz Audio Compatibility The Music Alarm Clock must be able to play audio files that are widely used in order to be compatible with users existing audio libraries. Storage CapacityThe storage device must be able to store 30 minutes worth of audio files. Time Accuracy The clock must be able to keep time accurately using the atomic signal. Display Characteristics The display must be readable in all lighting conditions from across the room.

8. Practical Constraints Sustainability - Durability Sustainability - Durability  The Music Alarm Clock must be able to withstand mistreatment by the user. Social - Compatibility Social - Compatibility  The removable storage device must be compatible with current operating systems and hardware in PCs.

9. Goals

10. Design I Goals Technical Constraint Constraint Met Audio Quality YES Audio Compatibility YES Storage Capacity YES Time Accuracy YES Display Characteristics YES

11. Senior Design II Goals  Design PCB for Fabrication  Backup Battery System  Audio Amplifier  Design and Construct Enclosure

12. System Diagram Micro- Controller Audio Decoder Media Drive Atomic Signal Receiver Display

13. PCB Design

14. Main PCB Layout Design

15. Main PCB

16. Display PCB Layout Design

17. Display PCB

18. Test Plan

19. Testing Subsystems  Atomic Receiver  Receiving and decoding accurate signal  Maintain to keep time accurate  Backup Battery System  Simulate  Test  Display Brightness  USB/MP3  Read mp3 file  Decode mp3 data  Audio Amplifier

20. Atomic Receiver Test

21. Serial Data Transfer Test

22. Serial Data Transfer Results

23. Backup Battery Schematic

24. Backup Battery Simulation

25. Backup Battery Test Data Battery Current Plug Current Plug Out 600mA0 Plug In 0610mA

26. Display Brightness Test

27. USB/MP3 Test

29. Audio Amplifier Test

30. Audio Amplifier Result

31. Bill of Materials DescriptionPart NumberPrototype Cost Production Cost (per unit) 1000 Units fuse holderF043TB-ND1.240.38 clock chipDS13372.411.07 headers for breakout boards4-103741-01.860.93 capacitor (22 pF)BC1034CT-ND0.150.08 capacitor (1 uF)399-3622-ND0.660.22 capacitor (100 uF)P12924-ND0.800.23 capacitor (10 uF)T350E106K016AT5.531.19 capacitor (47 uF)P12923-ND0.480.14 7 segment displaysLDS-CA14RI12.323.44 connector (4 pin)50-57-90041.480.27 connector (5 pin)50-57-90051.540.31 connector (8pin)er50-57-90080.930.24 LED (red)516-1335-ND2.100.49 LED (green)751-1105-ND0.440.09

32. Bill of Materials DescriptionPart NumberPrototype Cost Production Cost (per unit) 1000 Units resistor (2.2 k)2.2KH-ND0.230.05 resistor (1 k)1.0KH-ND0.120.03 resistor (1 k surface mount)541-1.0KACT-ND0.390.08 regulator (3.3 V)LM2937ET-3.3/NOPB1.980.58 regulator (5V)L4940V53.961.28 diode (schottky 15A/35V)MBRB1535CTDICT2.181.13 display driverMAX69594.833.95 PIC24 (64 pin breakout)19.9515.96 Atomic Reciever Module561-1015-ND16.102.95 USB Host Controller768-1001-ND24.507.50 MP3 DecoderBOB-0881919.955.96 7.3728 MHz Crystal631-1098-ND0.530.17 32.768 KHz Crystal300-8301-ND1.980.11 Audio Amplifier568-3476-5-ND2.461.29 Battery Holder1249K-ND1.870.86 Totals:132.9750.98

33. Packaging Top Back Front

34. Packaging Left SideRight Side

35. Overall System Test

36. Questions?