Accessible Blood Glucose Monitor

1. Accessible Blood Glucose Monitor Adviser: Dr Franz Baudenbacher Sponsor: Dr John Enderle Team Members: Nor Haslin Mohd Ali Mus’ab Shaharom Yazmin Zakaria

2. Project background • National Student Design Competition • Project Choice: Accessible Blood Glucose Monitor • Funding: $ 2000 • Advisor: Professor Baudenbacher

3. Statistics on diabetes • 7% of the population have diabetes (20.8 million) • 12 000 – 24 000 new cases of blindness each year. • 60-70% of diabetic have mild to severe form of nervous system damage

4. Our Clients.. All clients have diabetes • Dave – 22, has limited use of his right arm and leg. • Wanda – 12, has low vision, encouraged to start administering insulin to herself • Lloyd – 80, has some hearing loss and is very overweight (400lbs). • Arnold - has Parkinson’s disease, and experiences slight to moderate tremors. He lives alone.

5. Project Goal • The blood glucose monitor must • communicate effectively • visual display and voice output. • calibration and expiration dates of test strips • ease of learning, storage of all components, cleaning and maintenance. • affordable and portable

6. Our Goal… • To win the First Prize for the competition, receive the $1000 cash prize.

7. Problem • Existing blood glucose monitors in the market do not satisfy the needs of all our clients. Also, some of them are quite expensive. • Available voice box in the market work with only certain monitors and are expensive. E.g voice box for Ultra

8. Design Considerations • Use existing product - test strip based monitor • Build voice box for audio output • Build finger placing guide for client with tremor

9. Proposed Design Blood Glucose Monitor + Voice Box +

10. Technical Steps 1) Obtaining signal from glucose monitor • Approach 1: Analog signal from sensor (Failed) • Approach 2: Digital signal from LCD (Failed) • Approach 3: Analog signal from beeper (Succeeded) 2) Build circuit

11. Current Status • Similar to Accu Chek Compact – but has beeper to signify the results • e.g – ‘2’ will have two beeps • The signal we obtained from Accu Chek Compact Plus is from the beeper Accu Chek Compact Plus beeper

12. Current Status • We are now trying to rectify the signal and convert it into a digital signal that could be used for our speech chip.

13. Block diagram Glucose monitor Speech IC Beeper A/D Microprocessor Speaker

14. Future work • Program the microprocessor • Build voice box

15. Budget • Accu Chek Compact Plus - $22 • Microprocessor(HC12) + Developmental board - $100 • Plastics - $15 • Total = $137

16. Price Comparison • Current available talking blood glucose monitor

17. December Research existing products and clients' needs Produce initial idea Compile resources and materials needed Cost assessment January Review existing materials Design prototype Development of prototype February Development of prototype (continued) Test prototype March Assess problems and failures Redesign and modification Changes to prototype April Compile and present design poster and final results Timeline

18. Questions?