CONTENTS IN DETAIL

ACKNOWLEDGMENTS

INTRODUCTION

THE CIRCUITS

THE MATERIALS

HOW TO BUILD THE CIRCUITS IN THIS BOOK

WHAT THE COMPONENTS LOOK LIKE

BUILDING CIRCUITS ON A BREADBOARD

BUILD YOUR FIRST BREADBOARD CIRCUIT

THE CIRCUIT DIAGRAM

THE PARTS LIST

BUILDING THE CIRCUIT

CONNECTING THE RESISTOR

CONNECTING THE LED

CONNECTING TO THE POWER SUPPLY COLUMNS

CONNECTING THE BATTERY

WHAT IF THE LED DOES NOT LIGHT UP?

YOU’RE READY TO BUILD THE NINE CIRCUITS!

PROJECT 1: THE STEADY-HAND GAME

THE CIRCUIT DIAGRAM

THE PARTS LIST

ABOUT THE CIRCUIT

CONNECTING THE BATTERY TO THE BUZZER

CREATING THE GAME TRACK

CONNECTING THE METAL RING TO THE BREADBOARD

COMMON MISTAKES

A QUIET ALTERNATIVE

PROJECT 2: THE TOUCH-ENABLED LIGHT

THE CIRCUIT DIAGRAM

THE PARTS LIST

INTRODUCING THE TRANSISTOR

ABOUT THE CIRCUIT

COMMON MISTAKES

HOW THE CIRCUIT WORKS

PROJECT 3: THE COOKIE JAR ALARM

THE CIRCUIT DIAGRAM

THE PARTS LIST

ABOUT THE CIRCUIT

COMMON MISTAKES

HOW THE CIRCUIT WORKS

PROJECT 4: THE NIGHT-LIGHT

THE CIRCUIT DIAGRAM

THE PARTS LIST

ABOUT THE CIRCUIT

COMMON MISTAKES

HOW THE CIRCUIT WORKS

PROJECT 5: THE BLINKING LED

THE CIRCUIT DIAGRAM

THE PARTS LIST

ABOUT THE CIRCUIT

COMMON MISTAKES

HOW THE CIRCUIT WORKS

PROJECT 6: THE RAILROAD CROSSING LIGHT

THE CIRCUIT DIAGRAM

THE PARTS LIST

ABOUT THE CIRCUIT

COMMON MISTAKES

HOW THE CIRCUIT WORKS

PROJECT 7: THE PARTY LIGHTS

THE CIRCUIT DIAGRAM

THE PARTS LIST

ABOUT THE CIRCUIT

COMMON MISTAKES

HOW THE CIRCUIT WORKS

PROJECT 8: THE DIGITAL PIANO

THE CIRCUIT DIAGRAM

THE PARTS LIST

ABOUT THE CIRCUIT

COMMON MISTAKES

HOW THE CIRCUIT WORKS

PROJECT 9: THE LED MARQUEE

THE CIRCUIT DIAGRAM

THE PARTS LIST

ABOUT THE CIRCUIT

COMMON MISTAKES

HOW THIS CIRCUIT WORKS

WHERE TO GO FROM HERE

RESISTOR COLOR CODES

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