1. Mix Master Electrical Discussion Alex Rust & Nate Lamie

2. 03/5/03Alex Rust & Nate Lamie Background Consumers enjoy elaborately mixed beverages but do not have a simple way of getting them.

3. 03/5/03Alex Rust & Nate Lamie Problem Statement Create a mixing machine that automatically combines different fluids to make desirable beverages.

4. 03/5/03Alex Rust & Nate Lamie Solution Use a micro-controller to control bottles with solenoid valves and hoses in order to create mixed beverages.

5. 03/5/03Alex Rust & Nate Lamie What does it look like?

6. 03/5/03Alex Rust & Nate Lamie System Overview HC11 Key Pad Display Valve Controller Table with bottles and valves Funnel Glass Power Supply Sensor

7. 03/5/03Alex Rust & Nate Lamie Electrical Overview HC11 Sensor Solenoid Valves Power Supply Power IC System Keypad Interface +5 V +12 V

8. 03/5/03Alex Rust & Nate Lamie New Keypad

9. 03/5/03Alex Rust & Nate Lamie Serial Power IC

10. 03/5/03Alex Rust & Nate Lamie Block Diagram

11. 03/5/03Alex Rust & Nate Lamie Parallel Power IC

12. 03/5/03Alex Rust & Nate Lamie Optical Sensor

13. 03/5/03Alex Rust & Nate Lamie Tests New keypad requiring less ports Serial and parallel power IC’s operation Current tests for power IC’s Power consumption of system Dual supply or voltage regulator

14. 03/5/03Alex Rust & Nate Lamie Risks Serial IC current ratings Limited output ports

15. 03/5/03Alex Rust & Nate Lamie Schedule