A breadboard is a circuit board that is used to make temporary circuits. Here you may get an idea about the basics of breadboard, how to make the connections in the breadboard and also virtual board ...

A breadboard as mentioned before is used to make temporary circuit for testing and other purposes. The advantage of using a breadboard for testing is that connection can be changed if they are wrong.

Breadboards and perfboards make is easy to build all kinds of electronics, but they're not exactly easy to understand at a glance. Thankfully, Adafruit has a video that walks you through the basics.