Page 01 “How a RESISTOR Works”
Page 02 “How a POTENTIOMETER Works”
Page 03 “How a PHOTOCELL Works”
Page 04 “How a CAPACITOR Works”
Page 05 “How a SPEAKER Works”
Page 06 “How a DIODE Works”
Page 07″ How an SCR Works”
Page 08 “How an NPN bipolar Transistor Works”
Page 09 “How a PNP bipolar Transistor Works”
Page 10 “How a Two-Transistor Oscillator Works”
Page 11 “How a 555 Timer Integrated Circuit Works”
Page 12 “Build a BURGLAR ALARM Circuit”
Page 13 “Build an SOLAR-ACTIVATED NIGHT LIGHT Circuit”
Page 14 “Build a DC TO DC POWER SUPPLY Circuit”
Page 15 “Build an ELECTRONIC METRONOME Circuit”
Page 16 “Build an ELECTRONIC MOTORCYCLE Circuit”
Page 17 “Build a RAILROAD LIGHTS Circuit”
Page 18 “Build a VARIABLE SPEED LIGHTS Circuit”
Page 19 “Build a CONTINUITY TESTER Circuit”
Page 20 “Build an AUDIO GENERATOR Circuit”
Page 21 “Build an ELECTRONIC POLICE SIREN Circuit”
Page 22 “Build a SOLAR-ACTIVATED WAKE-UP ALARM Circuit”
Page 23 “Build a VARIABLE TIMER CIRCUIT Circuit”
Page 24 “Build a MOISTURE DETECTOR Circuit”
Page 25 “Build a CODE OSCILLATOR Circuit”
Page 26 “Build an ELECTRONIC POLICE SIREN Circuit”
Page 27 “Build an ENGLISH POLICE SIREN Circuit”
Page 28 “Build an ELECTRONIC CANARY Circuit”
Page 29 “Build a fantasy SPACE MACHINE GUN Circuit”
Page 30 “Build an ULTRASONIC PEST REPELLER Circuit”