SECTION 9How Do We Understand What We Can’t See?
EVEN WHEN WE CAN’T SEE what’s happening, we can predict, measure, and visualize.
Lesson 28 Controlling the Flash Rate
This lesson explains how it is done and you get to do exactly that. You learn the relationship between the RC values and the frequency output.
The values of C2 and R4 that make RC2 determines the rate of oscillation. The rate of oscillation is properly called hertz (Hz). Hertz is frequency per second. Another way of saying this is how many beats per second. It is a standard unit.
How It Works
First, an explanation of how the second resistor/capacitor circuit (RC2) works. Then we’ll play with it. This is not an exact representation of the circuit, but it will help you understand ...
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