Team Bufflehead Ultrasonic Object Locator for Visually Impaired w/ Braille Clock Feature
25
Senior Design 1 Team Bufflehead Ultrasonic Object Locator for Visually Impaired w/ Braille Clock Feature • Team – Jamie Grimm – Jonathon Ray – Nate Andrews University of Portland School of Engineering Advisor Dr. Osterberg, Dr. Lu Industry Representative Jennifer Miller Intel Corporation
description
Team Bufflehead Ultrasonic Object Locator for Visually Impaired w/ Braille Clock Feature. Advisor Dr. Osterberg , Dr. Lu Industry Representative Jennifer Miller Intel Corporation. Team Jamie Grimm Jonathon Ray Nate Andrews. Introduction. GAL16V8. Component Interface. GAL16V8. - PowerPoint PPT Presentation
Transcript of Team Bufflehead Ultrasonic Object Locator for Visually Impaired w/ Braille Clock Feature
Senior Design
1University of Portland School of Engineering
Team BuffleheadUltrasonic Object Locator for Visually Impaired w/
Braille Clock Feature• Team
– Jamie Grimm– Jonathon Ray– Nate Andrews Advisor
Dr. Osterberg, Dr. Lu
Industry RepresentativeJennifer MillerIntel Corporation
Senior Design
2University of Portland School of Engineering
Introduction
Ultrasonic Sensors Braille Peg Matrix Display
PIC µcontroller(distance)
MOSIS Chip(clock)
ProcessSense Actuate
GAL16V8
Senior Design
3University of Portland School of Engineering
+5 volt
Sensor
Plexiglass Case
Apprx. Length:8 in.
Apprx. Width: 8 in.
Approx. Height:
5 in.
Component Interface
GAL16V8
Senior Design
4University of Portland School of Engineering
Scorecard
• Programmed all GAL16V8s• Interfaced main components of project
without case and pegs.– PIC → GAL16V8s → Servos
Senior Design
5University of Portland School of Engineering
MOSIS Reminder
PIC Input 4C
HR Up
MIN Up
Output 4A
Output 4B
Output 4C
Output 4DGND
0
PIC Input 3B
PIC Input 3C
PIC Input 4A
PIC Input 4B
Output 3A
Output 3B
Output 3C
Output 3D
PIC Input 2A
PIC Input 2B
PIC Input 2C
PIC Input 3A
Output 2A
Output 2B
Output 2C
Output 2D
a1CLK Set
a2PIC Input 1A
PIC Input 1Ba3
PIC Input 1C
b1
b2
b3
Output 1A
Output 1B
Output 1C
Output 1D
CLK
TGLVcc
5V
24 Hour Clock
Display Converter
16x 2-to-1 MUX Unit
Senior Design
6University of Portland School of Engineering
L-Edit Chip Layout
Senior Design
7University of Portland School of Engineering
Additional Accomplishments
• Finished programming GALs• PWM DC offset problem eliminated• Servos interfaced with multiplexors• Found and received gear rack and gears.• Clock set function operational• Interfaced all electrical components of our
project
Senior Design
8University of Portland School of Engineering
Plans
• Assemble project once servo racks are received.
• Complete Final Report v1.0• Complete Founder’s Day presentation• Complete Post-Mortem presentation.• TEST, TEST, TEST
Senior Design
9University of Portland School of Engineering
MilestonesStatus Description Original Target Previous
Target Present Target
Completed Single Peg Demo w/ PWM 4 Feb 4 Feb 11 FebCompleted Program CPLD 11 Feb 24 Jan 23 JanCompleted Test CPLD for Counting through 24hrs 13 Feb 30 Jan 26 JanCompleted Functionality Cartoon for Presentations 18 Feb 18 Feb 17 FebCompleted Complete Coding for PIC 1 Mar 1 Mar 11 Feb
Missed Finish Peg Array (all 16 Servos & Peg Lifts) 7 Mar 7 Mar Apr 8Abandoned Demonstrate Project with CPLD 11 Mar 11 Mar 11 MarCompleted Demonstrate Project with GAL16V8s 11 Mar 11 Mar 25 Mar Delayed MOSIS Chip Connected to Device 24 Mar 24 Mar ???
Completed Final Report Version 0.9 25 Mar 11 Mar 25 MarCompleted Done w/ PIC Processing/Sensing Adjustments 27 Mar 27 Mar 27 MarCompleted Final Report Version 0.95 1 Apr 1 Apr 29 MarOn Track Final Report Version 1.0 8 Apr 8 Apr 8 AprOn Track Founders Day PowerPoint & Demo Complete 8 Apr 8 Apr 8 AprOn Track Post Mortem PowerPoint Complete 18 Arp 18 Apr 18 Apr
Senior Design
10University of Portland School of Engineering
Concerns/Issues
• Return time of servo racks from machine shop
Senior Design
11University of Portland School of Engineering
Demo Time!
Senior Design
12University of Portland School of Engineering
Conclusions• Ultrasonic sensors detecting distance very
accurately and sending to servo’s• Programmed GALs and displaying time
with servo’s• Connected all electronic components• Waiting on servo rack to put everything
together.
Senior Design
13University of Portland School of Engineering
Questions?
Senior Design
14University of Portland School of Engineering
Senior Design
15University of Portland School of Engineering
Senior Design
16University of Portland School of Engineering
Senior Design
17University of Portland School of Engineering
Senior Design
18University of Portland School of Engineering
Senior Design
19University of Portland School of Engineering
Braille NumbersExtras
Senior Design
20University of Portland School of Engineering
Peg DisplayExtras
Senior Design
21University of Portland School of Engineering
Peg LiftExtras
Senior Design
22University of Portland School of Engineering
Clock Set Switch and ButtonsExtras
Senior Design
23University of Portland School of Engineering
Clock Example (3:45)Extras
Senior Design
24University of Portland School of Engineering
Clock Example (3:45)Extras
Senior Design
25University of Portland School of Engineering
Project ProgressionExtras
