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

Microcontroller

Microcontroller

PWM – Pulse Width Modulation

PCA – Programmable Counter Array

Timer 2

PWM/PCA

Timer 2 Interrupt

Interrupt

PWM

Auto-reload

External Circuitry

Stepper Motor driver

Blower driver

External Circuitry

Stepper Motor

Stepper Motor

Stepper Motor

Blower

Blower

Final Schematic

Final Program

Programs\Final\Final.Uv2

Design and Construction

Gantt Chart

Dimensional Drawings

Parts List

Gantt Chart

Dimensional Drawings

Dimensional Drawings

Parts List

Questions and/or Comments