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

2. Preliminary Layout using Autorouter Layout Considerations for Peripherals Layout Considerations for the Microcontroller Layout Considerations for the Power Supply [Overview]

3. [Preliminary Layout]

4. Keep I2C components close together Keep USB to RS232 IC close to USB connector Headers to access I/O traces Test points on power rails to quickly measure voltage GSM/GPS unit can draw 2 amps – Attempt to use direct, with no via, connection to ground and power [Layout Considerations]

5. Locate Microcontroller near middle of board Use a Pi filter to ensure clean supply Keep ADC line away from digital I/O traces Small current draw Internal oscillator [Layout Considerations: Microcontroller]

6. Max current draw is about 2.2 amps – Traces will have to be able to cope About 1.6 mm – Need sufficient bulk capacitance – Minimize Vias on power rails – Single point ground [Layout Considerations: Power Supply]

7. Preliminary Layout using Autorouter Layout Considerations for Peripherals Layout Considerations for the Microcontroller Layout Considerations for the Power Supply [Summary]

8. [Questions?]