October 2018
Beginner
80 pages
1h 30m
English
Content preview from A Beginner's Guide to Circuits
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5THE BLINKING LED
THIS CIRCUIT MAKES AN LED BLINK ON AND OFF.
THE CIRCUIT DIAGRAM
THE PARTS LIST
PART |
VALUE |
DESCRIPTION |
U1 |
74C14 |
Hex Schmitt trigger inverter |
C1 |
100 μF |
Polarized capacitor |
R1 |
10 kΩ |
Standard resistor |
R2 |
470 Ω |
Standard resistor |
LED |
|
Standard-output light-emitting diode |
ABOUT THE CIRCUIT
One of the first things I wanted to learn in electronics as a kid was how to blink a light. You can do this in one of several ways, but this circuit is probably the easiest way to do it, especially because it requires so few components. ...
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