28128 Parallax Inc, 28128 Datasheet - Page 5

• Manufacturer Part Number: 28128
• Description: KIT BASIC ANALOG/DIGI PARTS ONLY
• Manufacturer: Parallax Inc

Specifications of 28128

• Accessory Type: ADC, DAC
• Product: Microcontroller Accessories
• For Use With/related Products: BASIC Stamp® 2 and Board of Education
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Preface.........................................................................................................................v
Chapter #1: Analog Voltage and Binary States .......................................................1
Chapter #2: Introduction to Bit Crunching ............................................................19
Chapter #3: Basic Analog to Digital Conversion...................................................41
Audience and Teacher’s Guide ...................................................................................... v
Conditions of Duplication ............................................................................................... vi
Foreign Translations ...................................................................................................... vi
Special Contributors ...................................................................................................... vi
Introduction to Analog and Digital...................................................................................1
Basic Comunication ......................................................................................................19
Build Your Own Digital DC Voltmeter ...........................................................................41
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
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
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
Table of Contents