Pill Enclosure with Notification and Illuminance

Sensors

James BarfieldAndrew DanceBen Jacobson

Anthony Mucciolo

School of Electrical and Computer Engineering

Project Overview Pillbox with pill detection and alarm Market for elderly, frequent medication users Development costs < $30,000 Final product cost under $70 per unit

James

Design Objectives

Accurate 24-hour clock Time-adjustable alarm Audible and visual notifications User interface Dosage detection (LED/photodiode) Pill compartment indicator (LED)

James

Design Approach – Housing

Opaque plastic Seven sections for pills Cupped compartment Reflective top Four

pushbuttons

Ben

Design Approach - Electronics

Infrared LED, Photodiode, Band pass filter LCD screen to display messages and alert LEDs to indicate the day’s compartment Buzzer for audible alarm Microcontroller implementation

Ben

System Level Schematic

Ben

Program Flowchart

Anthony

Demonstration Plan

Accuracy of Alarm/Clock All alarm alerts (LCD, LED, and buzzer)

function properly Alarms can be stopped Pill removal detected Alarms reactivate if pills aren’t removed

Anthony

Design Obstacles

PIC programming

Box manufacturing

PCB design

Anthony

Current Status

Programming boards built for PIC PIC programming divided into modules CAD drawings of box finished

Anthony

Cost Analysis - DevelopmentLabor Hours Labor Cost Parts Total Cost

Engineer Design Meetings 120 $6,000.00 $6,000.00

Construction & Testing

Programming 120 $6,000.00 $100.00 $6,100.00

Building 100 $5,000.00 $39.44 $5,039.44

Testing 120 $6,000.00 $ - $6,000.00

Total Labor 460 $23,000.00

Total Parts Cost $139.44

Total Overhead $5,750.00

Project Total $28,889.44

Andrew

Cost Analysis - Device

  Quantity Cost Per Unit Total Cost

LCD screen 1 $6.00 $6.00

Photodiode 7 $3.30 $23.10

PIC 1 $2.08 $2.08

LEDs 14 $0.59 $8.26

Enclosure $12.14 $12.14

Total Cost $51.58

Andrew

Project Milestones

Blink an LED Detect a pill with the LED-photodiode pair Send messages to LCD Confirm timer/alarm accuracy

Andrew

Courage is almost a contradiction in terms. It means a strong desire to live taking the form of a readiness to die.

--G.K Chesterton