1. The Skinny Dippers
Michael Green

2. Block Diagram

3. Power Schematic
Using a MIC4690 Switching Regulator for the 3.3V regulation.
Using a L4931 Linear Regulator for the 5V regulation.
.4V dropout and .25A output

4. Microcontroller All the pins are labeled. Powered with 3.3V
I/O mA, +6.5V -.3V, issue with the sensors (needs some thought)

5. Crystal Schematic

6. Ethernet Schematic

7. References Datasheets Available at: