Make Electronics

Experiment 4: Varying the Voltage 26 Chapter 1 Using Ohm’s Law Ohm’s Law is extremely useful. For example, it helps us to fi ...

Experiencing Electricity 27 Experiment 4: Varying the Voltage BAckground How much voltage does a wire consume? Normal ...

Experiment 4: Varying the Voltage 28 Chapter 1 Here’s an example. Suppose I want a red LED, such as the Vishay part TLHR5400, wh ...

Experiencing Electricity 29 Experiment 4: Varying the Voltage We want to know R, the resistance. So, we use the version of Ohm’s ...

Experiment 4: Varying the Voltage 30 Chapter 1 theory Doing the math on your tongue I’m going to go back to the questio ...

Experiencing Electricity 31 Experiment 4: Varying the Voltage FundAmentAls Watt basics So far I haven’t mentioned a unit th ...

Experiment 5: Let’s Make a Battery 32 Chapter 1 Experiment 5: Let’s Make a Battery Long ago, before web surfing, file sharing, o ...

Experiencing Electricity 33 Experiment 5: Let’s Make a Battery theory The nature of electricity To understand electricity, you ...

Experiment 5: Let’s Make a Battery 34 Chapter 1 How much current is being generated in your lemon battery? Set your meter to mea ...

Experiencing Electricity 35 Experiment 5: Let’s Make a Battery BAckground Positive and negative If electricity is a flow of e ...

Experiment 5: Let’s Make a Battery 36 Chapter 1 theory Basic measurements Electrical potential is measured by adding up the ch ...

Experiencing Electricity 37 Experiment 5: Let’s Make a Battery Practically Speaking For practical purposes, an intuitive underst ...

Experiment 5: Let’s Make a Battery 38 Chapter 1 Same resistance Higher voltage Greater force creates more flow, because amperage ...

2 39 Switching Basics and More The concept of switching is fundamental in electronics, and I’m not just talking about power swit ...

Shopping List: Experiments 16 Through 40 Chapter 2 Figure 2-2. This “breadboard” for quickly constructing electronic circuits ha ...

Switching Basics and More 41 Shopping List: Experiments 25 Through Supplies Hookup wire Solid-conductor, 22-gauge, minimum 25 fe ...

Shopping List: Experiments 6 Through 11 42 Chapter 2 Components Pushbutton Momentary-on, SPST, sometimes referred to as OFF-(ON) ...

Switching Basics and More 43 Experiment 6: Very Simple Switching Ceramic capacitors, assorted. Make sure you get at least one ra ...

Experiment 6: Very Simple Switching 44 Chapter 2 6v Battery Pack Short LED lead Long LED lead Figure 2-17. If the LED is on, fli ...

Switching Basics and More 45 Experiment 6: Very Simple Switching Figure 2-20. To remove insulation from the end of a thin piece ...