Team 1: Jon Schwarz, Carlo Mesina, Mike Wei & Bill Bergquist Design Constraints.

THE INEBRIATION STATION

Team 1: Jon Schwarz, Carlo Mesina, Mike Wei & Bill Bergquist

Design Constraints

Updated PSSCs An ability to use an RFID tag to identify a user. An ability to receive user input about drink

selection & drink size. An ability to fill a cup to a user-specified amount

with a user-specified beverage. An ability to display user information (name,

account funds, drinks purchased) and device statistics (keg fill level & temperature) on the onboard LCD.

An ability to communicate with a remote database to retrieve and manipulate user data.

Updated Block Diagram

Major Constraints

Price of components Food-safe components Refrigerator Choice

Computation Power

Constraints Non-Constraints

MicrocontrollerPIC24FJ128GB110 PIC24F04KA201

$4.28 16-bit Architecture 4 UART 3 SPI 3 I2C 16K SRAM/128K Flash 84 I/O Pins

$1.27 16-bit Architecture 2 UART 1 SPI 1 I2C 512 SRAM/4K Flash 18 I/O Pins

Solenoid ValveASCO

U8256A108E

ASCO

U8256A104E

$48.00 NSF 61 & 169 1/8” Pipe CV 0.17 Normally Closed Direct Acting

$57.00 NSF 61 & 169 1/4” Pipe CV 0.17 Normally Closed Direct Acting

ASCO

U8256A104E

$57.00 NSF 61 & 169 1/4” Pipe CV 0.15 Normally Closed Direct Acting

LCD and KeypadCrystalFontz

CFA635-TFE-KL

Matrix Orbital

GLT240128

20x4 LCD Display Four bi-color indicator

LEDs RS-232 Interface Integrated 6-button

Keypad 83 mm x 28 mm

Viewing Area ~$77

Touch Screen RS-232 Interface Adjustable Baud Rate 108 mm x 58 mm

Viewing Area 240 x 128 pixels Upload/Create a Font ~$220