Team Members:

Jacob PrestonBen Jochen

Josiah Savino

Sponsor: Mike

Meehan

Design Review: 11/18/2011

Harley Davidson Touring

Advisor:Greg Donohoe

Audio Integration

1

Context: Who: Harley Bike RidersWhat: Limiting stock

radio

Problem Definition

2

Goal: Design a product that takes in multiple audio sources, prioritizes them, and outputs the highest priority.

Problem Definition

3

Project History

Differences:

• Used PIC16

• Three inputs

• No User Interface

• No Display LEDs

Biketronics Prototype PCB

4

Prioritized signalsTonal Shaping2 OutputsPowered by bikeSignal Amplifiers

Needs/Specs

5

Affordable <$250Easy to useDurable

WeatherproofResistant to Vibration

General Needs/Specs

6

Multiple Inputs

Prioritized Signals

7

Radar GPS IPOD RADIO

4 Inputs 1 Inputs

3 Band EQ

Tonal Shaping

8

1 2 3

Research current ProductsPower SourceRadio ConnectionHardware

CompatibilityCost Analysis

Product Research

9

Competition (1)Mix It

• 2 levels of priority• 3 Inputs• 1 Audio output• Price $159

10

Competition (2)Autocom

• Communication Oriented• Not meant to mount• Aux out only• Price $415

11

In Fairing (No external interface)Handlebar Connection Wired/wireless remote

User Interface Options

12

In Fairing

13

ProsEasy to implementInexpensiveProtectedSet and Go

ConsDifficult to adjust

Settings

Handlebars

14

ProsEasy to adjust

settingsMany control optionsClean/compatible

with the bike

ConsExpensiveDifficult to connectOverly complex

Wireless

15

ProsCleanEasy to use

ConsCostsMore complex

implementation

Wired

16

ProsSimple to setupEasy to useAffordable

ConsBulkyLimited controls

Powered by Bike

17

Cigarette Lighter port

Piggyback Spade Connector

Radio Connection

18

Connecting Radio to Device8 Connecting PinsLine Vs Speaker

Biketronics Prototype Firmware

Project History (Continued)

19

• Audio Ducking• A/D Converter

• I2C

Addressing

Data

Possible Issues (1)

20

Fade issuesChange delay

durations

User InterfaceFeedback

Multiple OutputsSwitching device

Distortion Decrease input

volume

Possible Issues (2)

21

OverheatingFins on the back of

the device

Matching ITunes EQCompare software

EQ

Hardware CommunicationI2C

Costs

22

Audio Chip$3.53 each (quantity of 2000)

Microcontroller~$4-6 Depending on Package and

Quantity

Casing$4000 for Mold and Design

50 cents each

Labor~at $17/hour and ½ to 1 hours

Signal Flow Function

23

JEB

Signal Flow Hardware

24

Prototype (Solid Works)

24

Schedule

26