Senior Design Dec06-04

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Senior Design Dec06-04

• Diana Calhoun (Communication Coordinator)
• Matt Koch (Group Leader)
• Kelly Melohn (Communication Aide)
• Yesuratnam Thommandru (Group Leader Aide)

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Presentation Outline

• Problem description
• Detailed functionality
• Required and additional
• Approach
• General and additional
• Intended users
• Intended uses
• Detailed design

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Problem Description

• The purpose of this project is
• to develop a binary alarm clock to display the
  current time.

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Required Functionality

• Binary main display format
• 12 hour format (XXXXXX with AM/PM)
• or 24 hour format (XXXXXX)
• A settable alarm function
• Self-correcting for daylight saving time
• Withstand power outages for at least 2 hours
• Implement completed consumer product
• Display Geeky personality

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Additional Functionality

• Self adjust/correct time
• Display date and weekday in binary
• Provide the ability to learn binary
• Snooze
• Automatic leap year correction
• Idle state during power outage

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General Approach

• Approaches
• LEDs
• - AM/PM indicator
• Alarm buttons
• - up/down counter
• - fast/slow speeds
• Software code
• 3V coin cell battery
• User manual
• Clear case to show inner circuitry

• Problems
• Binary main display format
• twelve-hour format (XXXXXX with AM/PM)
• or twenty-four hour format (XXXXXX)
• A settable alarm function
• Self-correcting for daylight saving time
• Withstand power outages for at least 2 hours
• Implement completed consumer product
• Display Geeky personality

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Additional Function Approach

• Problems
• Self-adjust/correct time
• Binary week/date display
• Learn binary
• Snooze
• Automatic leap year correction
• Idle state (lower power required) while running
  back-up power

• Approaches
• RF antenna and receiver
• Binary LED
• Digital LCD
• User presses any button
• Real Time Clock
• (RTC)
• RTC low power detection turn off week/date
  displays

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Geek Clock

1. Time
2. Day of the week
3. Date
4. LCD display
5. ON/OFF or AM/PM notification
6. Mechanical switches for alarm control
7. Toggle switch for user preferences

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Intended User(s)

• Those who . . .
• Know binary code
• Fit the geek persona
• Want to learn binary
• Adults

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Indented Use(s)

• Standard alarm clock
• Outlet for geek personas
• Tool to learn binary

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Detailed Design
Block Diagram
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Detailed Design

• PIC Microcontroller
• 8-bit architecture
• Enhanced Flash
• I/O pins
• Voltage
• MPLAB
• Programming language

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Detailed Design

• Piezo Buzzer
• Buzzer types
• Sound Pressure Level
• Frequency
• Voltage
• Price

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Detailed Design

• Antenna
• Receiver Controller IC
• W W V B 60kHz freq
• Self-update
• Time
• Date

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Detailed Design

• Real Time Clock IC
• Oscillator
• Calendar self-update
• Low power detection

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Detailed Design

• Displays LEDs LCD
• Ultra bright/low current
• 2-input pins
• 8 x 2

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Detailed Design

• Regulated Power Supply Source
• 120V AC to 12V DC
• ON/OFF functionality

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Questions
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Clock Circuit Diagram
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PIC Microcontroller
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Receiver IC
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Real Time Clock
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LEDs
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LCD
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Power
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Buzzer