Chapter 12
Measuring and Analyzing Circuits
In This Chapter
Introducing your new best friend: your multimeter
Using a multimeter to measure all kinds of things
Setting up and calibrating your multimeter
Making sure electronic components are working properly
Probing around your circuits
Identifying the cause of circuit problems
Your excitement builds as you put the finishing touches on your circuit. With close friends standing beside you, eager to witness the first of your ingenious electronics exploits, you hold your breath as you flip the power switch, and . . .
Nothing. At least, nothing at first. Then, disappointment, disillusionment, and disbelief as your friends — and your confidence — slowly retreat from the scene.
What could possibly be wrong? you ask yourself. Then you notice it: There’s smoke emanating from what used to be a resistor. And then you realize you used a 10 Ω
