EDN

555 Timer Circuit With Variable On/Off Times

This circuit enables the on/off times of a 555 timer to be independently varied over a wide range. This is not possible with a conventional 555 circuit with the RC network being charged from the ...
EDN

555 Timer IC Testing Circuit

This is a simple circuit named 555 Timer IC Testing circuit which helps in testing a circuit using 555 Timer IC.This is a simple circuit named 555 Timer IC Testing circuit which helps in testing a ...
Electronic Design

A 555 Timer PWM Circuit to Control Ancient Evil

This article is part of the 2022 April 1st series in the Humor topic within our Series Library. The ubiquitous 1971 digital miracle—the 555 Timer—is important, replete with 25 transistors, 15 ...
Hackaday

555 Timer Circuit Simulation Software

[FightCube] wrote in recommending a very helpful piece of circuit simulation software for those of you still constructing entries for the 555 design contest. LTSpiceIV, available from Linear ...
Electronic Design

What’s All This 555 Timer Stuff, Anyway?

This file type includes high-resolution graphics and schematics when applicable. Paul Rako, Creative Director, Rako Studios Back in 2011, Jeff Hamilton contacted Bob Pease, asking for Bob’s experience ...
Hackaday

Congratulations Winners Of The 555 Timer Contest!

Sometimes the best inspiration is limitation. The 555 timer does “one thing” — compares a voltage to a couple thresholds and outputs a signal accordingly. It’s two comparators, a voltage ladder, and a ...
Indiatimes

555 TIMER IC

The 555 timer IC is an integrated circuit (chip) which is used in a variety of timer, delay, pulse generation, and oscillator applications. 555 Signals and Pinout (8 pin DIP) Figure below shows the ...