The 555 timer IC is an integrated circuit used in a variety of timer, delay, pulse generation, and oscillator applications. It is one of the most popular timing ICs due to its flexibility and price.

Jun 4, 2021 · In this tutorial, you'll learn how to use the 555 timer to make useful projects to blink lights, create timing circuits, and make sound.

A typical application for the LM555 timer in monostable mode is to turn on an LED for a specific time duration. A pushbutton is used as the trigger to output a high pulse when trigger pin is …

Jul 2, 2024 · The 555 timer IC is a very cheap, popular and useful precision timing device which can act as either a simple timer to generate single pulses or long time delays, or as a …

Learn the basics of 555 timers, what they are used for, and how to build monostable, bistable, and astable oscillators with the 555 timer.

Nov 27, 2025 · 555 Timer IC provides time delay in circuits and here we discussed its pin diagram, various modes, working, circuits, and applications.

Here we describe how to configure a standard 555 IC to perform two of its most common functions - as a timer in monostable mode and as a square wave oscillator in astable mode.

Sep 22, 2025 · Learn how the NE555 timer works, datasheet, pinout, and basic stable multivibrator (Free-running) or square wave oscillator circuit.

The 555 timer IC was first introduced around 1971 by the Signetics Corporation as the SE555/NE555 and was called "The IC Time Machine" and was also the very first and only …

Oct 18, 2025 · Learn how to use the 555 timer IC with simple 555 timer circuits, diagrams, and practical tips. Ideal for beginners starting with NE555 or 555 chip projects.