Izmil Hafeiz Mohd-Bakri Child Monitoring Device May 99-02 Senior Design Project Team Members Izmil Hafeiz Mohd-Bakri Gaik-Loong Kang Matthew Whittle Project Advisor Dr. Jacobson

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

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

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

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

Technical Solution • Components used • Product features

Parent’s Monitor Child’s Device TX-01 Encoder RE-01 Decoder TX-99 B 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

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

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

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

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

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

Water sensor D2 - signal line for Water sensor Water

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

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

Pager Pager Button D3 - Signal line for Pager

Technical Alternatives • Direction sensor

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

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

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

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