About the Author |
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xi | |
About the Technical Reviewer |
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xiii | |
Acknowledgments |
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xv | |
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Chapter 1 Introduction, Supplies, and Circuit Diagrams |
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1 | (24) |
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5 | (1) |
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Safety Rule 1 Short Circuits |
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5 | (1) |
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Safety Rule 2 Right-Hand Rule |
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6 | (1) |
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Safety Rule 3 What's More Dangerous -- Electrical Current or Voltage? |
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7 | (1) |
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Safety Rule 4 Use the Right Tools and Components and Use Them Properly |
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8 | (1) |
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9 | (3) |
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12 | (2) |
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What Other Information Is in This Diagram? |
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14 | (6) |
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20 | (1) |
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20 | (3) |
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23 | (2) |
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25 | (50) |
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25 | (1) |
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25 | (4) |
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Atoms: The Building Blocks of Nature |
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29 | (4) |
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Project 2-1 Static Electricity! |
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33 | (1) |
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Current, Voltage, and AC vs. DC |
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34 | (2) |
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Project 2-2 Playing with Voltage |
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36 | (4) |
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Let's Make Our First Circuit! |
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40 | (1) |
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40 | (1) |
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Project 2-3 Let There Be Light! |
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40 | (4) |
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Project 2-4 Making It Bigger! |
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44 | (5) |
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Project 2-5 (Optional): Paper Circuits! |
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49 | (4) |
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Add All the Lights! (a.k.a. Series and Parallel Circuits) |
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53 | (1) |
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53 | (1) |
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Project 2-6 Connecting Two LEDs to One Battery |
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54 | (2) |
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Project 2-7 Our First Parallel Circuit |
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56 | (3) |
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Project 2-8 More Parallel Circuits! |
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59 | (5) |
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Project 2-9 Our First Series Circuit |
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64 | (4) |
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Summary of Parallel and Series Circuits |
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68 | (1) |
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68 | (3) |
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71 | (1) |
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71 | (2) |
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73 | (2) |
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Chapter 3 Breadboards and Outputs |
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75 | (38) |
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75 | (1) |
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75 | (6) |
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Breadboarding: Lights On! |
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81 | (1) |
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81 | (1) |
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Project 3-1 Light It Up on a Breadboard! |
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82 | (5) |
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Project 3-2 All the Lights!! |
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87 | (3) |
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90 | (1) |
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90 | (1) |
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Project 3-3 Circuit Sounds! |
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91 | (5) |
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Schematic Symbol for a Speaker |
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96 | (1) |
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How Does Electricity Make Sounds?? |
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96 | (5) |
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101 | (1) |
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101 | (1) |
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Project 3-4 Motor Motion! |
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101 | (3) |
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Schematic Symbols for a Motor |
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104 | (1) |
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How Is Electricity Making the Motor Spin?? |
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105 | (5) |
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Lights and Sounds and Motion, Oh My! But ... Why? |
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110 | (1) |
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111 | (1) |
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112 | (1) |
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Chapter 4 Controlling Electricity (Passive Components) |
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113 | (38) |
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Resistance: Limiting Electricity |
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113 | (1) |
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114 | (1) |
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Project 4-1 Modifying Lights with Resistors! |
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114 | (5) |
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Resistor Schematic Symbol |
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119 | (1) |
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120 | (3) |
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Project 4-2 (Optional): Draw a Resistor! |
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123 | (1) |
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123 | (4) |
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A Mini Introduction to Ohm's Law! |
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127 | (2) |
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Potentiometers: Adjustable Resistors! |
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129 | (1) |
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129 | (1) |
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Project 4-3 Dim the Light! |
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130 | (3) |
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Potentiometers: How Do They Work? |
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133 | (2) |
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Project 4-4 Dim More Lights!! |
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135 | (2) |
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Potentiometer Schematic Symbol |
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137 | (2) |
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Capacitors: Flood Gate Components! |
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139 | (1) |
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139 | (1) |
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139 | (3) |
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How Is a Capacitor like a Flood Gate? |
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142 | (4) |
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Schematic Symbol for a Capacitor |
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146 | (1) |
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Special Safety Note on Capacitors |
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146 | (2) |
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148 | (1) |
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149 | (2) |
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Chapter 5 Interacting with Electricity via Buttons and Switches! (Electromechanical Components) |
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151 | (28) |
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Pushbuttons: Hang onto Your Switch! |
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151 | (1) |
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151 | (1) |
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Project 5-1 Light at Our Fingertips |
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152 | (4) |
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Pushbuttons: A Lifetime of Bouncing Back |
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156 | (4) |
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Pushbutton Schematic Symbol |
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160 | (1) |
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(Slide) Switches: Set It and Forget It |
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160 | (1) |
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160 | (1) |
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Project 5-2 Breadboard Flashlight |
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161 | (3) |
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Slide Switches: Stay in That State! |
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164 | (6) |
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Permanent Switch Schematic Symbol |
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170 | (2) |
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Project 5-4 Lights and Motors! |
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172 | (1) |
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173 | (3) |
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176 | (2) |
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178 | (1) |
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Chapter 6 Encoding Information into Electricity! (Logic Gates Part 1) |
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179 | (34) |
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Why Records Sound Better Than CDs |
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179 | (6) |
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Logically Delicious! (Building Basic Logic Gates) |
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185 | (1) |
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185 | (4) |
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Project 6-2 Gotta Push 'Em All! (Pushbuttons in Series) |
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189 | (3) |
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AND Logic Gate Schematic Symbol |
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192 | (1) |
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Project 6-3 Push Any Button (Pushbuttons in Parallel) |
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193 | (3) |
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OR Logic Gate Schematic Symbol |
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196 | (1) |
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How to Count with Just Two Fingers (a.k.a. Binary Numbers) |
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197 | (3) |
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Project 6-4 Flip It and Reverse It! (NOT Gate) |
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200 | (1) |
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201 | (3) |
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NOT Logic Gate Schematic Symbol |
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204 | (1) |
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Project 6-5 Making Decisions with Logic Gates! |
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205 | (1) |
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205 | (4) |
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Going Further: More Logic Gates and Project Ideas! |
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209 | (1) |
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Quick Intro to Other Logic Gates: NAND and NOR! |
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209 | (2) |
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211 | (1) |
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212 | (1) |
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213 | (36) |
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Using Our Senses to Detect Sensors |
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213 | (1) |
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Project 7-1 The Wonderful World of Sensors |
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214 | (1) |
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A Brief Inventory of Sensors |
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215 | (1) |
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216 | (1) |
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What Kinds of Things Can We Sense with Electricity? |
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217 | (2) |
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Electronic Eyes: Photoresistors! |
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219 | (1) |
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219 | (1) |
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Project 7-2 Light-Sensitive Light |
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220 | (4) |
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But Wait, Electronic Eyes?! How Does That Work?? |
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224 | (1) |
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Photoresistor Schematic Symbol |
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225 | (1) |
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Electronic Touch: Force-Sensing Resistors |
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225 | (1) |
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225 | (1) |
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Project 7-3 Touch-Sensitive Light |
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226 | (3) |
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FSR: Converting Touch into Electricity |
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229 | (2) |
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231 | (1) |
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Electronic Proprioception: Tilt Sensors! |
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231 | (1) |
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231 | (1) |
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Project 7-4 Gravity-Sensing Light |
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232 | (3) |
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The Beautifully Simple Tilt Sensor |
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235 | (1) |
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Tilt Sensor Schematic Symbol |
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236 | (1) |
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Electronic Motion Sensing: IR Sensors! |
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236 | (1) |
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237 | (1) |
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Project 7-5 Sensing "invisible" light |
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237 | (4) |
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241 | (1) |
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IR Break-Beam Schematic Symbol |
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242 | (1) |
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Going Further: All the Sensors and Fun Project Ideas! |
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243 | (1) |
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243 | (2) |
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245 | (2) |
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247 | (2) |
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Chapter 8 Transistors: The Building Blocks of Computers! |
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249 | (32) |
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Transistors As an Electronic Switch |
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249 | (1) |
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250 | (2) |
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Project 8-1 Make an Electronic Switch |
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252 | (7) |
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(FET) Transistor Schematic Symbol |
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259 | (1) |
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Unraveling the Mystery of Transistors! |
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260 | (1) |
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Semiconductors: The Secret Sauce |
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260 | (1) |
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261 | (2) |
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Transistors As Amplifiers |
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263 | (1) |
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263 | (1) |
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Project 8-3 Make an Amplifier! |
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264 | (7) |
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P-cause We Can: P-Channel FETs (Optional) |
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271 | (1) |
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272 | (1) |
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Project 8-4 (Optional): P-Channel Switch |
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272 | (4) |
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Going Further: Transistor Time! |
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276 | (3) |
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279 | (2) |
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Chapter 9 Logic Gates Round 2! |
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281 | (42) |
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The Truth About Physical Computing |
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281 | (2) |
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283 | (1) |
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Projects 9-1 and 9-2 ANDs and ORs Galore |
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284 | (13) |
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Project 9-3 NOT Gate with Transistors! |
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297 | (9) |
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Concept Break: Electric Ground! |
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306 | (1) |
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306 | (2) |
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Ground As a Connection to Earth? |
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308 | (2) |
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Schematic Symbol for Ground |
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310 | (1) |
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Logic Gates: The More, the Merrier! |
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310 | (1) |
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310 | (1) |
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Project 9-4 NOT Another Logic Gate! (Yes!) |
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311 | (9) |
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320 | (2) |
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322 | (1) |
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Chapter 10 A Simple Computer! |
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323 | (66) |
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Cascading Logic Gates: A (Controlled) Electrical Waterfall! |
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323 | (1) |
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324 | (1) |
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324 | (6) |
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Project 10-2 Our One and Only XOR Gate |
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330 | (16) |
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346 | (1) |
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346 | (1) |
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How to Build a (Simple) Computer |
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347 | (1) |
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Boolean Algebra and Binary Addition |
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348 | (9) |
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How Does This Translate to Computers?? |
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357 | (2) |
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Bringing Bits Along for the Ride: Binary Adders! |
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359 | (1) |
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359 | (5) |
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364 | (11) |
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Adding It All Together: Single-Digit Binary Adder! |
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375 | (1) |
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375 | (5) |
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Where Do We Go from Here? |
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380 | (1) |
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I Hear You and I See (IC) You: An Easier and Faster Way to Build "Smart" Circuits |
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380 | (2) |
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Going Further: Logic Gate Circuits and Beyond! |
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382 | (1) |
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Further Exploration with Logic Gates! |
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382 | (2) |
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384 | (2) |
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386 | (3) |
Appendix 1 Applied Project 1: Using a Muitimeter! |
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389 | (18) |
Appendix 2 Applied Project 2: Ohm's Law! |
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407 | (22) |
Appendix 3 Applied Project 3: PCB Identification |
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429 | (56) |
Index |
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485 | |