1. ECE 477 Senior Design Group 4  Spring 2011
Alex B.
Petra M.
Alex G.
Kim S.
Paste a photo of team members with completed project here..
TEAM 4 – 3MS

2. Project Overview Proximity Sensing Zigbee RSSI
“Manual” mapping of –dBm to feet
Audio transmission
Zigbee wireless transmission
Sampling and reconstruction
Peripheral tamper detection
Reports wristband disconnect or severing

3. Design Challenges Faced
Size constraints
Battery Life
PCB tracing errors
Datasheet errors and/or misunderstanding
Audio transmission

4. ECE 270/362 Knowledge Used Microcontroller structure (ECE362)
Baud rates (ECE362)
Pulse-Width Modulation (ECE362)
Analog-to-Digital conversion (ECE362)
Clock cycles (ECE270)
Voltage HIGHs and LOWs (ECE270)
Pin transition times (ECE270)

5. Project Demo