1. Chandler Wall Jigar Gandhi John-Taylor Smith Eric Zarowny
 Purdue Airbus

2. Power Supply Considerations
Single battery operation
Pi (capacitor-input) filter will be required to filter unwanted frequencies introduced by motors
Multiple operating frequencies
Level translators for digital logic
I2C translator for microcontroller-camera link
Multiple destinations
PCB for main components
PCB for camera

3. Microcontroller Considerations
Bulk/Ceramic bypass capacitors
0.1 µF
0.01 µF
Dual-resistors and a capacitor for reset circuit
Located opposite the power supply components
Power supply for microcontroller will be the nearest power component
Level translators will be located near the header pins for their associated components (camera & autopilot)
Voltage regulators for all components will be located away from the microcontroller

4. Miscellaneous Considerations
“Fuel” gauge
Potential for high current operation around the “fuel” gauge components
Passive circuit components are required to correctly sense the lithium-ion polymer battery levels
Independent connections to each of the battery cells (3 in total)
Xbee-PRO
The location of the XBee header will affect RF signal quality

5. Miscellaneous Considerations (continued)
Camera
The camera will not be located on the main PCB
Headers will be required on the main PCB
The camera will require level translators for all logic signals
SD Card
Mounted on the main PCB
No level translation required

6. PCB Footprint/Preliminary Design