By: Todd L Palmer
Microprocessor Controlled Bubble Machine
Introduction
How did the idea occur?
Purpose of the device
Theory
Microcontroller
External Circuitry
Final Schematic
Parts List
Microcontroller
PWM – Pulse Width Modulation
PCA – Programmable Counter Array
Timer 2
Timer 2 Interrupt
Interrupt
PWM
Auto-reload
External Circuitry
Stepper Motor driver
Blower driver
External Circuitry
Final Program
Programs\Final\Final.Uv2
Design and Construction
Gantt Chart
Dimensional Drawings
Parts List
Dimensional Drawings
Dimensional Drawings
Questions and/or Comments