1. Pratham Presenters: Fraterno Vila and Gabriel Letona Pratham Electronics and Distribution Presenters: Fraterno Vila and Gabriel Letona Team Leader: Matt Ryan Chief Engineer: Gabe Letona Fabrication: Reed Langton CADCAM: Fraterno Vila Electronics/Control Engineer: Nick Martin

2. Mechanism Update  Eliminated automatic height adjuster  Incorporated manual height adjuster  Spiral/Radial Plate Setup for both top and bottom assembly  Entire Product/Parts will be modeled in CAD

3. Mechanism Update, Contd. Working Prototype:  Demonstrate Interaction of all Electronic Components  Demonstrate Bottom Mechanism used to grip/twist container  Manually grip the lid  Bottom Subsystem will demonstrate spiral/radial assembly on Top Subsystem

4. Electrical Control System Contact Force Magnetic Presence Push Button Sensor Hall Effect Sensor Signal Conditioning On/Off Mini-Max/PIC Single board computer Microprocessor PIC16F877A Electrical Wiring Connections AC Adapter Power Source Converter Power Source Outlet Embedded Program Motors Interface Motors

5. Motors and Sensors 2 Buehler® DC geared motors (~$15each) 2 Buehler® DC geared motors (~$15each) 1.18in. OD x 3.3in. long 1.18in. OD x 3.3in. long Max.: 12V, 50RPM Max.: 12V, 50RPM Min.: 3V, 10RPM at 200mA Min.: 3V, 10RPM at 200mA Sensors Sensors Touch Button Touch Button Hall Effect (5V max.) Hall Effect (5V max.) 5V Mini max Motor switch R

6. Microcontroller System and Power Source Minimax Microcontroller Minimax Microcontroller Microprocessor PIC16F877A Microprocessor PIC16F877A Demands 6 to 12V DC Demands 6 to 12V DC 100mA minimum current 100mA minimum current Provides 5V Provides 5V External Power Source External Power Source 120V AC from outlet 120V AC from outlet Use of an AC-DC adapter power source converter Use of an AC-DC adapter power source converter No Batteries No Batteries Kitchen Appliance Kitchen Appliance Battery’s life ($$) Battery’s life ($$) Could provide risky amount of current Could provide risky amount of current Convert to 6V @.5A Cost: ~$25

7. Schematic AC-DC Converter Fuse MiniMax Motor1Motor2 120V HVLV 5V 6-12V 100mA 3-12V <200mA 3-12V <200mA