About the Author .............................................................................. xi
About the Technical Reviewer ........................................................ xiii
Introduction ..................................................................................... xv
Chapter 1: Project 1: Good Evening, Mr. Bond: ¦¦ Your Secret Panel ....1
A Life Ruined by Movies and TV .............................................................. 1
Making It Real ......................................................................................... 2
The Fireline Fiasco ................................................................................................... 2
Thinking Again ..........................................................................................................4
Racking Up a Success .............................................................................................. 5
Hiding the Button .................................................................................................... 10
Position Sensors .....................................................................................................12
The Secret Compartment ........................................................................................ 13
The Electronics .......................................................................................................14
Sliding Panel Electronics Troubleshooting .............................................................. 16
Software Commentary ............................................................................................ 17
All Together Now! ................................................................................................... 19
Summary ............................................................................................... 23
Coming up Next ..................................................................................... 23
¦¦Chapter 2: Project 2: Crazy Beams—Exercise Your Pet! .............. 25
The Project ............................................................................................ 25
Sourcing the Lasers ................................................................................................ 26
Project Build ...........................................................................................................27
Assembly ................................................................................................................30
The Electronics .......................................................................................................33
Crazy Beams—The Software ................................................................................. 36
Summary ............................................................................................... 43
Coming Up Next ..................................................................................... 43
¦¦Chapter 3: Project 3: WordDune ................................................... 45
The Hardware ........................................................................................ 45
WordDune: The Build ............................................................................. 48
WordDune Gameplay ............................................................................. 51
WordDune: Game Software Setup ......................................................... 54
WordDune Commands ........................................................................... 56
General Software Structure ................................................................... 57
WordDune Sketch Code Walk ................................................................ 59
WordDune: Declarations Section ............................................................................ 59
setup( ) ....................................................................................................................60
loop( ) ......................................................................................................................60
format_EEPROM( ) ..................................................................................................61
addToDictionary( ) ...................................................................................................61
dumpEEPROMToSerialChannel( ) ............................................................................ 61
dumpDictToSerialChannel( ) .................................................................................... 62
Summary ............................................................................................... 67
Coming Up Next ..................................................................................... 67
¦¦Chapter 4: Project 4: The Lighting Waterfall ................................. 69
The Passageway Light .......................................................................... 71
Proving Circuit ........................................................................................................74
Waterfall Lights Software ....................................................................................... 77
Moving to Making It ................................................................................................83
Waterfall Lights Mark II ..........................................................................................94
Mark II Electronics ................................................................................. 94
Take-Two Circuit Diagram ..................................................................... 97
Summary ............................................................................................. 103
Coming Up Next ................................................................................... 103
¦¦Chapter 5: Moving to Mesmerize ................................................ 105
Duck Shooter Game ............................................................................. 105
The Duck Shooter Circuit ...................................................................................... 106
Making Duck Shooter into a Keeper ..................................................................... 108
Building Duck Shooter .......................................................................................... 109
Going Further ........................................................................................................113
Duck Shooter Software ......................................................................................... 114
MCU Shadow Puppets ......................................................................... 116
Building the Shadow Puppets ............................................................................... 117
The Shadow Puppet Circuit .................................................................................. 121
Shadow Puppets Software ................................................................................... 124
The Moire Wheel .................................................................................. 127
Waterslide Decals ................................................................................................. 130
Building the Moire Wheel Project ......................................................................... 132
Moire Wheel Software .......................................................................................... 134
Summary ............................................................................................. 136
Coming Up Next ................................................................................... 136
¦¦Chapter 6: Smart Home Enablers ............................................... 137
Is Your Home Smart? ........................................................................... 137
Socket Cracking .................................................................................. 139
On the Radio: The Un-wired Home ...................................................... 141
Wiring Up ..............................................................................................................142
Back to Basics ......................................................................................................145
Low-Cost Wireless Communication ...................................................................... 146
Smart Home Using a Mixed Network .................................................................... 148
A Simple HomeHelp Protocol .............................................................. 151
Using a Low-Cost Smart Home Wireless Node ..................................................... 154
Door Sensor Circuit Diagram ................................................................................ 156
Door Sensor Sender Software .............................................................................. 158
Door Sensor Receiver Software ............................................................................ 159
Door Sensor Summary ......................................................................................... 159
Remotely Commandable Light Stand .................................................. 159
Light Stand Electronics ......................................................................................... 162
Light Stand: RGB Values Sender ........................................................................... 163
Light Stand Software: Receiver ............................................................................ 165
The Light Stand in Action ...................................................................................... 166
Summary ............................................................................................. 168
Index .............................................................................................. 169