1. Izmil Hafeiz Mohd-Bakri
Child Monitoring Device
May Senior Design Project
Team Members
Izmil Hafeiz Mohd-Bakri
Gaik-Loong Kang
Matthew Whittle
Project Advisor
Dr. Jacobson

2. About the CMD • Monitor the distance of the child • Water sensor
• Pager
• Possible applications

3. Child Monitoring Device
• Parent’s Monitor
• Child’s Device

4. Parent’s Monitor Child’s Device Micro- controller Buzzer LCD Display
Signal
Generator
Signal
Receiver
Buzzer
Signal
Receiver
Signal
Generator
Water
Sensor
Child’s Device

5. Technical Solution - Micro-controller MC68HC11
• Components used
- Micro-controller MC68HC11
- Transmitters TX-99/TX-66
& Receivers RE-99/RE-66
- Encoder TX-01 & Decoder RE-01

6. Technical Solution
• Components used
• Product features

7. Parent’s Monitor Child’s Device TX-01 Encoder RE-01 Decoder TX-99B D1 D2 N N 8 8
TX-01 Encoder
RE-01 Decoder
TX-99
Transmitter
RE-66
Receiver
RE-99
Receiver
TX-66
Transmitter
RE-01 Decoder
TX-01 Encoder 8 8 A D1 N D3 N B D1 D2 N N
Child’s Device

8. Technical Solution - Distance Calculation & Out of range warning
• Product features
- Distance Calculation &
Out of range warning

9. Parent’s Monitor Child’s Device TX-01 Encoder RE-01 Decoder TX-99
MC68HC11 A D1 B D1 8 8
TX-01 Encoder
RE-01 Decoder
TX-99
Transmitter
RE-66
Receiver
RE-99
Receiver
TX-66
Transmitter
RE-01 Decoder
TX-01 Encoder 8 8 A D1 B D1
Child’s Device

10. Micro-controller ALU Internal timer MC68HC11 LCD Display Out In
Buzzer
ALU
LCD Display
Out In
Internal timer
D1 - signal line for Distance Calculation

11. Technical Solution - Distance Calculation & Out of range warning
• Product features
- Distance Calculation &
Out of range warning
- Water sensor

12. Parent’s Monitor Child’s Device TX-01 Encoder RE-01 Decoder TX-99
Buzzer A B D2 8 8
TX-01 Encoder
RE-01 Decoder
TX-99
Transmitter
RE-66
Receiver
RE-99
Receiver
TX-66
Transmitter
RE-01 Decoder
TX-01 Encoder 8 8 A B D2
Water Sensor
Child’s Device

13. Water sensor
D2 - signal line for Water sensor
Water

14. Technical Solution - Distance Calculation & Out of range warning
• Product features
- Distance Calculation &
Out of range warning
- Water sensor
- Pager

15. Parent’s Monitor Child’s Device TX-01 Encoder RE-01 Decoder TX-99
Pager A D3 B 8 8
TX-01 Encoder
RE-01 Decoder
TX-99
Transmitter
RE-66
Receiver
RE-99
Receiver
TX-66
Transmitter
RE-01 Decoder
TX-01 Encoder 8
Buzzer 8 A B D3
Child’s Device

16. Pager
Pager
Button
D3 - Signal line for Pager

17. Technical Alternatives
• Direction sensor

18. End-product Description
• Water sensor
• Pager
• Distance monitor

19. Additional Project Work
•Able to monitor more than one
child
•Trace the child long range using
the cell-phone network

20. Lessons Learned • Generate different ideas in problem solving
• Applying our knowledge in a real
world situation
•Team work and responsibility

21. ?
Questions