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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
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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
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
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
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?