Devry University, Senior Applied Project. I recieved a grade of 100 on this project

1. Applied Project Presentation
Compass Circuit
By Timothy D. Heath

2. Origins of the Compass
The Chinese were the first to discover The Europeans discovered the compass
loadstone over 2000 years ago, and used it 1000 years ago and used it for navigation
for religious/spiritual purposes. Compasses especially on the open seas. The use as a
are still used for this purpose today by all navigation tool has put the compass high
feng shui consultants and practitioners. on the list of tools that most advanced
civilization.
http://www.renew-thru-design.com/
http://visual.merriam-webster.com/transport-machinery/maritime-transport/ancient-ships/caravel.php

3. Compass Project
Module Soldering
I watched all the videos and read
all of the information about how
to cut the compass module at
different lengths it all looked a
little difficult. When I actually
went to solder for myself I
checked to see how the holes
lined up before cutting wires, and
it just slipped right in no problem.
That would be my last lucky break
working with the compass circuit
and program.

4. Circuit Soldering
After trying to get all the solder out of all
20 holes with sucker, wick, and various
While soldering the circuit I other methods I was only able to get them
accidentally put JP2 on the top of really clean with compressed air.
the board instead of the bottom!!!

5. Compass Programming

6. The Problems
1. Missing lights on display
2. Turning in circles making me dizzy
3. Change display to arrows that
always point north

7. Modifications to The Circuit
Adding connections between
What we Want 16f72 chip and display

8. Modifications to Software
PPP Flowcode

9. Modifications to Software
Truth Table Calculations
b7 b6 b5 b4 b3 b2 b1 B0
F H E N G1 A L g2
W1 1 1 1 1 O O O
N0 0 0 1 0 0 1 0
S0 0 0 0 0 1 0 0
C7 C6 C5 C4 C3 C2 C1 C0
D C C1 C2 J K B M
W0 0 0 0 0 0 0 0
N1 0 0 0 0 0 0 1
S0 0 0 0 0 1 0 1