1. BLACKCHAT INCOGNITO MESSAGING SYSTEM Russell Crowe Patrick Lloyd

2. SYSTEM LEVEL External USB device for wireless text messaging MSP430F2xxx processor AES-128 encryption Portable Linux interface Discrete RF transceiver 433MHz ISM band OOK modulation scheme Super-regenerative receiver <10mW broadcast power

3. HARDWARE – TOP LEVEL

4. HARDWARE - RF Modulator Demodulator

5. SIMULATIONS – MODULATOR

6. SIMULATIONS – LC TANK

7. FIRMWARE

8. SOFTWARE

9. DIVISION OF LABOR RussellPatrick PDR ($) Transmitter (#) Antenna (^) Receiver (*) Firmware (@) uC-TRX Interface (-) Laptop Software (&) uC-Laptop Interface (!) Final Board Design (%) Testing & Validation (\) Stretch Goals (+)

10. GANTT CHART Week12345678910111213141516 Date1-Sep8-Sep15-Sep22-Sep29-Sep6-Oct13-Oct20-Oct27-Oct3-Nov10-Nov17-Nov24-Nov1-Dec8-Dec15-Dec PDR Transmitter Antenna Receiver Firmware uC TRX Interface Laptop Software uC Laptop Interface Final Board Design Testing & Validation Stretch Goals

11. STRETCH GOALS Near 3+ module communication More discrete form factor Cross platform (Windows compatibility) Far 2.4Ghz transceiver with more robust modulation scheme Forward error correction Plausibly deniable filesystem

12. QUESTIONS?