Breadboards are used for testing and experimenting with electronic circuits. I find them extremely convenient because they require absolutely NO soldering, and you just have to plug the component into the little holes that are provided on the breadboard.
Iguana Labs gave a few of these pictures and explanations. Thanks Iguana Labs!
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Signing UpStep 1: The Breadboard Connections
The top and bottom rows (the rows indicated by the blue) and are usually the (+) and (-) power supply holes and these move horizontally across the breadboard, while the holes for the components move vertically Each hole is connected to the many metal strips that are running underneath.
Each wire forms a node. A node is a point in a circuit where two components are connected. Connections between different components are formed by putting their legs in a common node. On the bread board, a node is the row of holes that are connected by the strip of metal underneath.
The long top and bottom row of holes are usually used for power supply connections.







































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1. If I understand correctly. From the article it says all the components are hooked together. So do I have to run wire from every component to eachother?
2. How can I understand the circuit pictures such as the second set of pictures on http://www.instructables.com/id/Arduino-RFID-Door-Lock/step3/Build-the-RFID-Reader/?
Seriously got curious and broke it apart to see what it was inside
Its got some comb like structures. So... anyone planning to break open their board , save it.... (Nice Instructo there buddy)!
IguanaLabs
If you aren't associated with them, please at least give them credit.
OH and thanks for posting it, i learned something new.
And this
Breadboards are the best, they save a lot of soldering time. The absolute BEST for prototyping and debugging!
I'm using two breadboards right now, and I'm so glad that I have them as my nice little pets.
You might want to make a note; BREADBOARDS ARE NOT EDIBLE, unless you really want to taste them =P