ECE 477 Senior Design ECE 477 Senior Design Group 4 Group 4 Spring 2006 Spring 2006

Matt Kocsis, Dustin Poe, Ian Snyder, Justin Thacker

Digital Real-Time Intelligent Networked KegeratorDigital Real-Time Intelligent Networked Kegerator

OutlineOutline

• Project overviewProject overview

• ECE 270 knowledge used ECE 270 knowledge used

• Project demoProject demo

Project OverviewProject OverviewDigital Real-Time Intelligent Networked Kegerator.Digital Real-Time Intelligent Networked Kegerator.

1.1. An ability to sense and control beverage temperature.An ability to sense and control beverage temperature.

2.2. An ability to identify authorized users via electronicAn ability to identify authorized users via electronicidentification identification

3.3. An ability to track consumption on an individual basisAn ability to track consumption on an individual basis

4.4. An ability to display user/device status on an LCD An ability to display user/device status on an LCD

5.5. An ability to control the function of and report the status of An ability to control the function of and report the status of the the Kegerator via an embedded web server.Kegerator via an embedded web server.

Design Challenges FacedDesign Challenges Faced

• Hardware SelectionHardware Selection

• PCB LayoutPCB Layout

• Power Supply DesignPower Supply Design

• Circuit DebuggingCircuit Debugging

• RS-232 CommunicationsRS-232 Communications

ECE 270 Knowledge UsedECE 270 Knowledge Used

• Digital Logic – ( XOR Gates)Digital Logic – ( XOR Gates)

• Basic Electrical Principles (Pull-up Resistors, Basic Electrical Principles (Pull-up Resistors, current sinking/sourcing)current sinking/sourcing)

• How to determine electrical characteristics from How to determine electrical characteristics from datasheetsdatasheets

• Software Switch DebouncingSoftware Switch Debouncing

Project DemoProject Demo

• Root Beer FloatsRoot Beer Floats

Questions / DiscussionQuestions / Discussion