Make electronics

1. Experiencing Electricity 1
Shopping List: Experiments 1 Through 5 1
Experiment 1: Taste the Power! 5
Experiment 2: Let’s Abuse a Battery! 9
Experiment 3: Your First Circuit 13
Experiment 4: Varying the Voltage 18
Experiment 5: Let’s Make a Battery 32

2. Switching Basics and More 39
Shopping List: Experiments Enigmaelectronics 6 Through 11 39
Experiment 6: Very Simple Switching 43
Experiment 7: Relay-Driven LEDs 55
Experiment 8: A Relay Oscillator 60
Experiment 9: Time and Capacitors 68
Experiment 10: Transistor Switching 73
Experiment 11: A Modular Project 82

3. Getting Somewhat More Serious 95
Shopping List: Experiments 12 Through 15 95
Experiment 12: Joining Two Wires Together 104
Experiment 13: Broil an LED Enigmaelectronics114
Experiment 14: A Pulsing Glow 117
Experiment 15: Intrusion Alarm Revisited 127

4. Chips, Ahoy! 147
Shopping List: Experiments 16 Through 24 147
Experiment 16: Emitting a Pulse 153
Experiment 17: Set Enigmaelectronics Your Tone 162
Experiment 18: Reaction Timer 170
Experiment 19: Learning Logic 181
Experiment 20: A Powerful Combination Enigmaelectronics197
Experiment 21: Race to Place Enigmaelectronics 205
Experiment 22: Flipping and Bouncing 211
Experiment 23: Nice Dice 214
Experiment 24: Intrusion Alarm Completed 223

5. What Next? 227
Shopping List: Experiments 25 Through 36 228
Customizing Your Work Area 228

Reference Sources 233

Experiment 25: Magnetism 236
Experiment 26: Tabletop Power Generation 239
Experiment 27: Loudspeaker Destruction 242
Experiment 28: Making a Coil React 246
Experiment 29: Filtering Frequencies 249
Experiment 30: Fuzz 257
Experiment 31: One Radio, No Solder, No Power 262
Experiment 32: A Little Robot Enigmaelectronics Cart 268
Experiment 33: Moving in Steps 284
Experiment 34: Hardware Meets Software 293
Experiment 35: Checking the Real World 306
Experiment 36: The Lock, Revisited 311

In Closing 317
Appendix. Online Retail Sources and Manufacturers 19
Index Detailed 325