Gyro Cat Toy

Ahmad DaneshRobert Grant

Di Xu

Overview Introduction The Gyro Cat Toy Test Results and Analysis Marketability Q&A

The Team Robert Grant – President & CEO

Ahmad Danesh – CFO & CMO

Di Xu – CTO & COO

The Problem Cat’s require sufficient exercise

Decreases risk of diseases People carry out busy lives Existing toys are insufficient

Not interactive Not automated Short life span

Our Vision Automated Cat Toy

No Human Input

Possible Solutions Mechanical configuration

Possible Solutions Proximity Sensors

Magnetism Ultrasonic Infrared RF

Possible Solutions Force Sensors

Accelerometer Spring jerk sensor

Possible Solutions Controller

Microcontroller PIC Digital Hardware Logic

System Components

Sensors RF Transmitter and Receiver

Low power Short range transmission Low cost

Jerk Sensor Low power Low cost High sensitivity

Actuators DC Motor

Low power High torque Low cost

H-Bridge 3V operation Low power Low cost

Controller Microcontroller

Standby current Operational current Low cost I/O pins Processing Power

Pulse Generator Duty Cycle Generation 1

555 timer Problem Encountered Generation 2

Lower power digital logic

TXM-418-LC Circuit Design

No external circuits needed Output Power Level Adjust Problems Encountered Antenna

Optimum Different types

RXM-418-LC-S Circuit Design

No external circuits needed Low Power Sleep Mode Antenna Problems Encountered

Pulse Recognition

RF Range Testing Omni-directional Transmission 3 Transmitter Antennas Power Level vs. Range Problems Encountered

MC68HC908QT4 Attractive Properties Interrupt Driven State Machine Assembly Language Evaluation Board Problem Encountered

Software

Jerk Sensor Spring Pin Problems Encountered

Pulse Widener Software Solution

KB interrupt Input Capture

H-Bridge Generation 1

Circuit design using 8 transistors Generation 2

Fairchild FAN8200D

Motors DC Motor

Low torque High current

Geared Motor High torque, lower current

Problems Encountered High current reset of MCU

Final Prototype Collar Piece

Final Prototype Toy Ball

Final Design

Toy demo

Functional Analysis Ball Requirements

2 days operation without battery replacement Major axis <12cm Minor axis <7cm Powered by 3VDC Velocity of 35cm/s

Functional Analysis Collar Requirements

Powered by 3VDC Functional for 695 days without battery

replacement 60cm range for RF – fully adjustable

Timeline

Costs Prototype: Budget Spent

Microcontroller $ 15 $ 15 Sensors $ 15 $ 210 Actuators $ 5 $ 70 Enclosure $ 10 $ 10 Batteries $ 5 $ 10 MCU

Programmer $ 400 $ N/A RFID Programmer $ 400 $ N/A Misc $ N/A $ 60 Total: $ 850 $ 375

Costs Estimated Production Cost

(current design)

Microcontroller $ 0.99 RF Transmission $ 17.00 H-Bridge $ 0.21 Motor $ 4.00 Enclosure $ 4.00 Batteries $ 1.00

Total: $ 27.20

The Market Over 80 million cats in North America

80% cat owners buy presents

Trends toward healthy lifestyle

Future Improvements Self designed RF transmission Cheap additions

Ultrasonic Magnetism Infrared

Smaller design Stronger and faster

Q&A

Any Questions?