2/5/2013

1

Preventing Falls Preventing Falls Preventing Falls Preventing Falls In The ElderlyIn The Elderly

By CoolCATS

(Team # 11964)

1

High High Level Design Level Design

Buzzer

Rechargeable

Miniature Switch

Microcontroller

Rechargeable

Battery

Vibrating Micro Motor

2

Ultrasonic SensorCharger

Circuit

High Level Design (Cont)High Level Design (Cont)� The above circuit is implanted in

the shoe in such a way that it can withstand 200 poundswithstand 200 pounds

� The shoe can be recharged wirelessly using a charging pad

� When switched on it will calibrate for distance and go into low battery mode until it finds an battery mode until it finds an object

� It buzzes and/or vibrates when it detect any obstacle

3

Proof of ConceptProof of Concept� Used a gadget called Park-Zone

available on market for car parking aidparking aid

� This gadget uses ultrasonic sensor to aid car parking in garage

� Modified the gadget to use Buzzer instead of LEDBuzzer instead of LED

� Mounted inside sole of a slipper

� Tested with a senior who lives with the condition and found to work with Bumps reliably

4