[FightCube] wrote in recommending a very helpful piece of circuit simulation software for those of you still constructing entries for the 555 design ... He has shared one basic circuit he built ...

The 555 Design Contest ... working on the project in a circuit simulator, then ultimately ended up building the three main logic blocks inside the familiar timer on pieces of copper-clad board.

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