Make Electronics

Experiment 6: Very Simple Switching 46 Chapter 2 FundAmentAls All about switches When you flip the type of toggle switch that ...

Switching Basics and More 47 Experiment 6: Very Simple Switching FundAmentAls All about switches (continued) Figure 2-27. T ...

Experiment 6: Very Simple Switching 48 Chapter 2 FundAmentAls All about switches (continued) Sparking When you make and bre ...

Switching Basics and More 49 Experiment 6: Very Simple Switching BAckground Early switching systems Switches seem to be such ...

Experiment 6: Very Simple Switching 50 Chapter 2 Introducing Schematics In Figure 2-35, I’ve redrawn the circuit from Experiment ...

Switching Basics and More 51 Experiment 6: Very Simple Switching FundAmentAls Basic schematic symbols Schematic symbols are ...

Experiment 6: Very Simple Switching 52 Chapter 2 FundAmentAls Basic schematic symbols (continued) The problem is that this i ...

Switching Basics and More 53 Experiment 6: Very Simple Switching FundAmentAls Basic schematic symbols (continued) Potentiome ...

Experiment 6: Very Simple Switching 54 Chapter 2 FundAmentAls Basic schematic symbols (continued) For example, the three LED ...

Switching Basics and More 55 Experiment 7: Relay-Driven LEDs Experiment 7: Relay-Driven LEDs You will need: AC adapter, wire cu ...

Experiment 7: Relay-Driven LEDs 56 Chapter 2 It’s important to make sure that your AC adapter is not plugged into the wall! Cho ...

Switching Basics and More 57 Experiment 7: Relay-Driven LEDs A B C D D Figure 2-51. This is one way that the parts inside a rela ...

Experiment 7: Relay-Driven LEDs 58 Chapter 2 FundAmentAls Inside a relay A relay contains a coil of wire wrapped around an ir ...

Switching Basics and More 59 Experiment 7: Relay-Driven LEDs Procedure Turn the relay with its legs in the air and attach wires ...

Experiment 8: A Relay Oscillator 60 Chapter 2 Experiment 8: A Relay Oscillator You will need: AC adapter, breadboard, wire, wir ...

Switching Basics and More 61 Experiment 8: A Relay Oscillator Adding Capacitance Add a 1,000 μF electrolytic capacitor in paral ...

Experiment 8: A Relay Oscillator 62 Chapter 2 FundAmentAls Capacitor basics DC current does not flow through a capacitor, but ...

Switching Basics and More 63 Experiment 8: A Relay Oscillator FundAmentAls Capacitor basics (continued) Ceramic capacitors ha ...

Experiment 8: A Relay Oscillator 64 Chapter 2 BAckground Michael Faraday and capacitors The earliest capacitors consisted of two ...

Switching Basics and More 65 Experiment 8: A Relay Oscillator Breadboarding the Circuit I promised to free you in time from th ...