Basic Analog and Digital
Student Guide
VERSION 1.4
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ISBN 10: 1-928982-04-2
ISBN 13: 9-781928-982456
1.4.0-08.05.13-SCP
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Table of Contents ·
Page i
Table of Contents
Preface.........................................................................................................................v
Audience and Teacher’s Guide ...................................................................................... v
Conditions of Duplication ............................................................................................... vi
Foreign Translations ...................................................................................................... vi
Special Contributors ...................................................................................................... vi
Chapter #1: Analog Voltage and Binary States .......................................................1
Introduction to Analog and Digital...................................................................................1
Parts Required ...........................................................................................................2
Building the Analog and Digital Comparator ..............................................................7
Programming the Project ...........................................................................................9
What have I learned? ...............................................................................................15
Questions .................................................................................................................16
Challenge! ................................................................................................................16
Why did I learn it? ....................................................................................................17
How can I apply this? ...............................................................................................17
Chapter #2: Introduction to Bit Crunching ............................................................19
Basic Comunication ......................................................................................................19
Parts Required .........................................................................................................19
Building the Circuit ...................................................................................................20
Programming the Project .........................................................................................22
Parallel and Serial Transmission..............................................................................30
Reprogramming to Receive Serial Data...................................................................31
What have I learned? ...............................................................................................37
Questions .................................................................................................................38
Challenge! ................................................................................................................38
Why did I learn it? ....................................................................................................39
How can I apply this? ...............................................................................................39
Chapter #3: Basic Analog to Digital Conversion...................................................41
Build Your Own Digital DC Voltmeter ...........................................................................41
Parts Required .........................................................................................................42
The Potentiometer - A Source of Variable Voltage ..................................................42
The ADC0831 Integrated Circuit - An 8-bit Analog to Digital Converter ..................43
Build It ......................................................................................................................45
Program It ................................................................................................................45
Binary to Decimal Conversion Revisited ..................................................................52
Calculate Voltage .....................................................................................................54
Resolution ................................................................................................................61
Calibration ................................................................................................................62
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