Course 1: Modern Electronics » Lesson 9: The 555 Timer

Lesson 1

Introduction to Modern Electronics

Lesson 2

Electricity

Lesson 3

The Resistor

Lesson 4

The Capacitor

Lesson 5

The Inductor

Lesson 6

The Diode

Lesson 7

The Transistor

Lesson 8

The Operational-Amplifier

Lesson 9

The 555 Timer

Lesson 10

Schematics and Datasheets

Lesson Video

Lesson 9: The 555 Timer

If the op-amp was a great invention for analog electronics, the 555 timer was the invention of the decade for digital electronics. This lesson will show you why we needed a single device like the 555 timer and how we can use a 555 timer to create a predicatable oscillator using some theory and mathematical equations.

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