L.U.S.H. Liquor’s Ultimate Service Handler Mike Martin Pezh Shoureshi Andrew Schmid Heather Buna Taymoor Marar EE Capstone Design Lab Spring 2004
Baseline Objectives Design and implement a mixed drink/single shot vending machine that will: Accept bills as payment for drinks Provide a drink menu according to availability of liquor / mixers Pour specific drink when ordered Keep track of alcohol and mixers remaining in machine. Self cleaning ability
Purpose Can be used at parties to pour drinks for guest, eliminating the need for a bartender. Can be used at bars and sporting events to help relieve lines.
Description L.U.S.H will be a rectangular box with six alcohol/mixer receptacles on top It will have a bill acceptor, LCD screen, and numeric key pad on the front side There will also be a cup holder with a nozzle centered up top
Outline of Approach User Interface (Screen, Bill Acceptor) Motorola Microprocessor Non-Volatile RAM EEPROM Electronically Controllable Valves (solenoids)
L.U.S.H General Configuration
User Interface LCD screen to view drink availability and selections Numeric key pad to scroll through options and enter pin numbers Bill acceptor to pay for drinks
Software Drink Database Liquor/Mixer Availability Liquor/Mixer Type with Valve Address Payment Verifier
Valves Use a series of solenoid valves to control the flow of liquid Solenoids will be controlled by micro controller
Two Solenoid System Attached to the bottle is a 1 oz tubing Each end will have a solenoid Closing the bottom solenoid and opening the top one will fill the 1oz tube Closing the top one and opening the bottom will dispense the 1oz liquid Top Valve 1 oz Tubing Bottom Valve
Bill Acceptor Accepts one dollar bills to credit towards drinks Sends signal to microprocessor
Division of Labor Programming: Andrew, Heather, and Mike Construction: Taymoor and Pezh Testing: Taymoor, Heather, and Pezh User Manual: Andrew and Mike
Schedule
Risks Placing a bottle in the wrong receptacle Valves will allow variable volumes due to changing pressure in the bottle Severe hangover
Contingencies Use variables for the bottle location in the software that can be updated according to content Replace valves with pumps Chaser pill dispenser