Our Circuit Design Calculators for Engineers and Students are free-to-use tools that help you quickly determine key parameters ...

The 555 is a highly stable ... is used to minimize the number of components such as linear voltage regulators. When pin 2 of the LM555 is triggered (by shorting it to ground) through the momentary ...

A fully featured productivity timer for the command line, based on the Pomodoro Technique. Supports Linux, Windows, and macOS.