Make Electronics

Experiment 8: A Relay Oscillator 66 Chapter 2 Important note: some breadboards divide each vertical column of holes, on the left ...

Switching Basics and More 67 Experiment 8: A Relay Oscillator You’ll need some more 22-gauge wire, or some precut hookup wire, t ...

Experiment 9: Time and Capacitors 68 Chapter 2 Experiment 9: Time and Capacitors You will need: AC adapter, breadboard, wire, w ...

Switching Basics and More 69 Experiment 9: Time and Capacitors Release the pushbutton, set aside your meter, and discharge the c ...

Experiment 9: Time and Capacitors 70 Chapter 2 difference between one end of the resistor and the other will be zero (assum- ing ...

Switching Basics and More 71 Experiment 9: Time and Capacitors theory The time constant You may be wondering if there’s a way ...

Experiment 9: Time and Capacitors 72 Chapter 2 theory The time constant (continued) The cake eater will always have a few ...

Switching Basics and More 73 Experiment 10: Transistor Switching Experiment 10: Transistor Switching You will need: AC adapter, ...

Experiment 10: Transistor Switching 74 Chapter 2 Initially, the LED should be dark. Now press the pushbutton and the LED should ...

Switching Basics and More 75 Experiment 10: Transistor Switching Your finger is conducting positive voltage to the base of the t ...

Experiment 10: Transistor Switching 76 Chapter 2 essentIAls All about NPN and PNP transistors A transistor is a semiconductor, ...

Switching Basics and More 77 Experiment 10: Transistor Switching essentIAls All about NPN and PNP transistors (continued) All- ...

Experiment 10: Transistor Switching 78 Chapter 2 BAckground Transistor origins Though some historians trace the origins of the ...

Switching Basics and More 79 Experiment 10: Transistor Switching essentIAls Transistors and relays One limitation of NPN and PNP ...

Experiment 10: Transistor Switching 80 Chapter 2 theory See the current If you want to get a more precise understanding of how a ...

Switching Basics and More 81 Experiment 10: Transistor Switching theory See the current (continued) In my little experiment, I f ...

Experiment 11: A Modular Project 82 Chapter 2 Experiment 11: A Modular Project You will need: AC adapter, breadboard, wire, and ...

Switching Basics and More 83 Experiment 11: A Modular Project essentIAls All about programmable unijunction transistors The ...

Experiment 11: A Modular Project 84 Chapter 2 essentIAls All about programmable unijunction transistors (continued) This m ...

Switching Basics and More 85 Experiment 11: A Modular Project Step 1: Slow-Speed Oscillation Figure 2-103 is a schematic ve ...