Gyro Cat Toy Ahmad Danesh Robert 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 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:BudgetSpent 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$ 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?