1. TCSP – Design Constraint Analysis

2. Design Constraints Primary Constraints Weight - Component Size
Power Consumption
Secondary Constraints
Navigational Accuracy
Interfacing

3. Microcontroller Freescale MC9S12A64CFUE HCS12 Architecture
QFP 80 package
2x SCI, SPI, I2C, 8ch PWM, 8ch Timer
64K Flash, 4K RAM
59 I/O pins

4. Navigation Garmin 15L GPS Module < 3m Position < 5m Altitude
Small, uses external antenna
Hitachi HM55B Compass Module
5.5 degree accuracy
Previously used
Cheaper than other modules

5. Camera HP Photosmart R707 Can already control
Can be mounted to plane and balanced
Free

6. Plane Upgrades Mega 16/15/4 Brushless Motor
Fits in existing motor slot
Recommended by many RC plane
enthusiasts
Upgraded Battery
Lithium Polymer
1100 -> 3300 mA-hr