The 555 Timer

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\| 555 Internals and Basic Operation \| 555 Application: Pulse Sequencer \|

The 555 Timer

The 555 timer is a very special circuit. It has been around for many years, and is still just as useful now as it ever was.

555 Internals and Basic Operation: The internal structure of the 555 and its main operating configurations.
555 Application: Pulse Sequencer: Generating a timed sequence of pulses — one practical application of the 555 timer.