Voice Activated Chess Set

6 1. PROBLEM STATEMENT 7 1.1 Need 7 1.2 Objective 7 1.3 Background 7 1.4 Objective Tree 8 2. REQUIREMENTS SPECIFICATIONS 10 2.1 Marketing and Engineering Requirements 10 2.2 Constraints 11 1. Economic 11 2. Sustainability 11 3. Operational 11 4. Social 11 2.3 Specifications 12 3. DESIGN 13 3.1 Overall 13 3.2 Microcontroller 16 3.2.1 Microcontroller Software 17 3.3 Voice-Activation Module 20 3.3.1 Voice-Activation Module Hardware 21 3.3.2 Voice-Activation Module Software 22 3.4 Position System 23 3.7 Power Supply 33 3.8 Circuit Schematic 34 3.9 Chess Set 37 3.9.1 Overall Chess Set 37 3.9.2 Layout of Board 38 3.9.3 Chess Pieces 38 3.10 Playing the Game 39