Breadboard

Breadboard is what circuit designers and hobbyists use to design the prototype of their circuit and then experimenting on it.A full size terminal breadboard strip typically consists of around 56 to 65 rows of connectors. Complex circuits can become difficult to manage on a breadboard due to the large amount of wiring necessary. The spacing between the clips is typically 0.1" -2.54 mm

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Virtual Breadboard

VirtualBreadboard is an easy to use simulation and modelling tool that can be used in place of a real breadboard for quickly performing experiments

Breadboard tutorial

A breadboard is used to make up temporary circuits for testing or to try out an idea.