High Level Designthe gEEk squad

Michael Cozzolino

Elizabeth Reed

Andrew Williams

Colleen O’Hagan

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•Specifications•Solution

The Problem

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Specifications – Crucial • Impervious to water• Small • Non-auditory notification• Reliable• Tunable• Easy operation and setup

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Specifications – Additional benefit• Mobile• Self-monitoring • Record swimmer

information

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Solution – System Organization

Swimmer’s Eye

Sensing Signaling

NotificationProcessing1. Receive

Data: Active RFID

2. Transmit Data to Processor

1. Receive Data from Sensor

2. Send Signal to Notification Device

1. Receive Signal from Processor

2. Activate Vibration: on stimulus

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Sensing• Considerations

• Sensor Type– Infrared– Ultrasonic– RFID

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RFID• Operation

• Active vs. Passive

Reader ProcessorTag

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Signaling

RFID Tag Transponder

Reader

Processor

Vibrating Motor

Notification

Swimmer Presence Detection

Presence Status

Swimmer ID and Presence

Notification Signal

Antenna•Tuner•Power

Radio or WiFi

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Tag Options• Ekahau Wi-Fi tag T301

• Active Wave compactTag

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Conclusion• RFID for:

– Sensing

– Signaling

• Pick a Vendor