GPS Autodate Alarm Clock

1
GPS Autodate Alarm Clock

• Design Engineer
• Thomas C. Null

2
WWVB Autodate Alarm Clock

• Design Engineer
• Thomas C. Null

3
Design Points

• Auto Date
• Display Time
• Display Day of Week
• Display Date
• Correct for Daylight Savings
• Monday Wednesday Friday Alarm/Display
• Tuesday Thursday Alarm/Display
• Saturday Sunday Alarm/Display

4
Considerations

• WWVB module
• Control Circuit
• Alarm
• Power supply
• User controls

5
WWVB

• Price limit
• Accessible Signal

6
WWVB

• Broadcast Location

7
Alarm

• External Switch
• Internal Speaker
• Static Memory

8
Power supply

• Size
• Voltages

9
User Controls

• Alarm Activation
• Alarm Time
• Time Zone
• Recalibrate

10
Any Questions
1200