PrathamPrathamElectronics and Distribution

Presenters: Fraterno Vila and Gabriel Presenters: Fraterno Vila and Gabriel Letona Letona

Team Leader: Matt RyanTeam Leader: Matt RyanChief Engineer: Gabe LetonaChief Engineer: Gabe LetonaFabrication: Reed LangtonFabrication: Reed Langton

CADCAM: Fraterno VilaCADCAM: Fraterno VilaElectronics/Control Engineer: Nick MartinElectronics/Control Engineer: Nick Martin

Mechanism UpdateMechanism 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

Mechanism Update, Mechanism Update, Contd.Contd.

Working Prototype:Working Prototype:

Demonstrate Interaction of all Electronic Demonstrate Interaction of all Electronic ComponentsComponents

Demonstrate Bottom Mechanism used to Demonstrate Bottom Mechanism used to grip/twist containergrip/twist container

Manually grip the lidManually grip the lid Bottom Subsystem will demonstrate Bottom Subsystem will demonstrate

spiral/radial assembly on Top Subsystemspiral/radial assembly on Top Subsystem

Electrical Control System Electrical Control System Contact Force

Magnetic Presence

Push Button SensorHall Effect Sensor

Signal Conditioning On/Off

Mini-Max/PICSingle board computer

MicroprocessorPIC16F877A

Electrical Wiring Connections

AC Adapter Power Source

Converter

Power SourceOutlet

Embedded Program

Motors Interface

Motors

Motors and SensorsMotors and Sensors

2 Buehler® DC 2 Buehler® DC geared motors geared motors (~$15each)(~$15each) 1.18in. OD x 3.3in. 1.18in. OD x 3.3in.

longlong Max.: 12V, 50RPMMax.: 12V, 50RPM Min.: 3V, 10RPM at Min.: 3V, 10RPM at

200mA200mA SensorsSensors

Touch ButtonTouch Button Hall Effect (5V max.)Hall Effect (5V max.)

5VMinimax

Motor switchR

Microcontroller System and Microcontroller System and

Power SourcePower Source Minimax Minimax

MicrocontrollerMicrocontroller Microprocessor Microprocessor

PIC16F877APIC16F877A Demands 6 to 12V DCDemands 6 to 12V DC 100mA minimum 100mA minimum

currentcurrent Provides 5VProvides 5V

External Power External Power SourceSource 120V AC from outlet120V AC from outlet Use of an AC-DC Use of an AC-DC

adapter power source adapter power source converterconverter

No BatteriesNo Batteries Kitchen ApplianceKitchen Appliance Battery’s life ($$)Battery’s life ($$) Could provide risky Could provide risky

amount of currentamount of currentConvert to 6V Convert to 6V @ .5A @ .5A Cost: ~$25Cost: ~$25

Schematic Schematic

AC-DCConverter

Fuse

MiniMax Motor1 Motor2

120V

HV LV

5V

6-12V100mA

3-12V<200mA

3-12V<200mA

Average Individual Time

7.6

8.6

17.1

8

9.6

21.6

0

5

10

15

20

25

1 2 3 4 5 6

Week Number

Av

era

ge

Nu

mb

er

of

Ho

urs

pe

r T

ea

m

Me

mb

er