TCSP – Design Constraint Analysis
Design Constraints Primary Constraints - Weight - Component Size - Power Consumption Secondary Constraints - Navigational Accuracy - Interfacing
Microcontroller Freescale MC9S12A64CFUE - HCS12 Architecture - QFP 80 package - 2x SCI, SPI, I2C, 8ch PWM, 8ch Timer - 64K Flash, 4K RAM - 59 I/O pins
Navigation Garmin 15L GPS Module - < 3m Position - < 5m Altitude - Small, uses external antenna Hitachi HM55B Compass Module degree accuracy - Previously used - Cheaper than other modules
Camera HP Photosmart R707 - Can already control - Can be mounted to plane and balanced - Free
Plane Upgrades Mega 16/15/4 Brushless Motor - Fits in existing motor slot - Recommended by many RC plane enthusiasts Upgraded Battery - Lithium Polymer > 3300 mA-hr