What's new in the Second Edition -- Preface: How to have fun with this book -- Basics: -- Necessary Items For Chapter One: -- Experiment 1: Taste the power! -- Experiment 2: Let's abuse a battery! -- Experiment 3: Your first circuit -- Experiment 4: Variable resistance -- Experiment 5: Let's make a battery -- Switching: -- Necessary Items For Chapter Two: -- Experiment 6: Very simple switching -- Experiment 7: Investigating a relay -- Experiment 8: Relay oscillator -- Experiment 9: Time and capacitors -- Experiment 10: Transistor switching -- Experiment 11: Light and sound -- Getting Somewhat More Serious: -- Necessary Items For Chapter Three: -- Experiment 12: Joining two wires together -- Experiment 13: Roasting an LED -- Experiment 14: Wearable pulsing glow -- Experiment 15: Intrusion alarm, part one -- Chips, Ahoy!: -- Necessary Items For Chapter Four: -- Experiment 16: Emitting a pulse -- Experiment 17: Set your tone -- Experiment 18: Intrusion alarm (almost) completed -- Experiment 19: Reflex tester -- Experiment 20: Learning logic -- Experiment 21: Powerful combination -- Experiment 22: Race to place -- Experiment 23: Flipping and bouncing -- Experiment 24: Nice dice -- What Next?: -- Tools, equipment, components, and supplies -- Customizing your work area -- Labeling -- On the bench -- Reference sources online -- Books -- Experiment 25: Magnetism -- Experiment 26: Tabletop power generation -- Experiment 27: Loudspeaker destruction -- Experiment 28: Making a coil react -- Experiment 29: Filtering frequencies -- Experiment 30: Make it fuzzy -- Experiment 31: One radio, no solder, no power -- Experiment 32: Hardware meets software -- Experiment 33: Checking the real world -- Experiment 34: Nicer dice -- Tools, Equipment, Components, And Supplies: -- Kits -- Searching and shopping online -- Checklists of supplies and components -- Buying tools and equipment -- Suppliers -- Index.
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