1. Ryan McLean John-Michael Mulesa Joe Perrin Zach Schoenberger

2. [Overview] Block Diagram Component Operation and Schematic
Microcontroller Considerations and Schematic

3. [Block Diagram]

4. [Component Operation]
GM862-GPS – GPS/GSM Unit
3.3V operation
SCI connection to microcontroller
Query-based data retrieval
Query sent from microcontroller
Formatted, query-based data returned

5. [Preliminary Schematic]

6. [Component Operation]
HMC6352 – Digital Compass
3.3V operation
I2C connection to microcontroller
Pass an address over I2C interface to listen to compass module

7. [Preliminary Schematic]

8. [Component Operation]
ADXL345 – Accelerometer
3.3V operation
I2C connection to microcontroller
Pass an address over I2C interface to listen to accelerometer
Both accelerometer and compass are connected to one I2C bus

9. [Preliminary Schematic]

10. [Component Operation]
FT232RL – USB to RS232 Adapter
3.3V / 5V operation
SCI connection to microcontroller
USB connection to ARM board

11. [Preliminary Schematic]

12. [Microcontroller Considerations]
ATXMega16D4
3.3V operation
12mhz frequency
Using:
2 SCI buses
1 I2C bus
1 PWM
1 ADC
4 GPIO

13. [Preliminary Schematic]

14. [Summary] Block Diagram Component Operation and Schematic
Microcontroller Considerations and Schematic

15. [Questions?]