Make Electronics

Experiment 24: Intrusion Alarm Completed 226 Chapter 4 Q1 D1 R1 1K 10K 68uF 10K 1M 10uF Power to noise maker 12V DC Switches act ...

5 227 What Next? At this point, we can branch out in numerous directions. Here are some possibilities: Audio electronics This is ...

Shopping List: Experiments 25 Through 36 228 Chapter 5 Shopping List: Experiments 25 Through 36 Tools You won’t need any new too ...

What Next? 229 Customizing Your Work Area This leads me to two conclusions: You need storage above the workbench. You need stor ...

Customizing Your Work Area 230 Chapter 5 For undivided, flat-format storage boxes, the Prolatch 23600-00 is ideally sized to fit ...

What Next? 231 Customizing Your Work Area Labeling No matter which way you choose to store your parts, labeling them is essentia ...

Customizing Your Work Area 232 Chapter 5 The surface of your desk or workbench will undoubtedly become scarred by ran- dom scuff ...

What Next? 233 Reference Sources Reference Sources Online My favorite educational and reference site is Doctronics (http://www.d ...

Reference Sources 234 Chapter 5 Books Yes, you do need books. As you’re already reading this one, I won’t recommend other beginn ...

What Next? 235 Reference Sources The Encyclopedia of Electronic Circuits, by Rudolf F. Graf (Tab Books, 1985) A totally miscella ...

Experiment 25: Magnetism 236 Chapter 5 Experiment 25: Magnetism This experiment should be a part of any school science class, bu ...

What Next? 237 Experiment 25: Magnetism theory Inductance When electricity flows through a wire, it creates a magnetic field aro ...

Experiment 25: Magnetism 238 Chapter 5 BAckground Joseph Henry Born in 1797, Joseph Henry was the first to develop and demonstr ...

What Next? 239 Experiment 26: Tabletop Power Generation Experiment 26: Tabletop Power Generation If you have just three componen ...

Experiment 26: Tabletop Power Generation 240 Chapter 5 Figure 5-20. Three neodymium magnets, 1/4-, 1/2-, and 3/4-inch in diamete ...

What Next? 241 Experiment 26: Tabletop Power Generation Figure 5-22. Because inductance increases with the diameter of a coil an ...

Experiment 27: Loudspeaker Destruction 242 Chapter 5 Experiment 27: Loudspeaker Destruction I’d like you to sacrifice a 2-inch l ...

What Next? 243 Experiment 27: Loudspeaker Destruction BAckground Origins of loudspeakers Loudspeakers utilize the fact that if ...

Experiment 27: Loudspeaker Destruction 244 Chapter 5 theory Sound, electricity, and sound Time now to establish a clear idea ...

What Next? 245 Experiment 27: Loudspeaker Destruction theory Sound, electricity, and sound (continued) Somewhere along the ...