Bread board is a plastic board with a lot of holes for inserting electronic components. Hardware engineers usually have so few, mainly used to test hardware module small, visible, hardware and software similar software engineer for a large software of the time, which might be separated individually for debugging and testing a unit , confirmed that there is no problem, and then together into large systems. Hardware is the same.
Why not own a board it? In short, the cost of large, convenient debugging. Of course, some hardware engineers will be their own small board, but leave some pins out, some of the elements in order to facilitate external debugging. This is equivalent to the pin or socket configuration parameters, our software engineers will like this kind of configuration parameters written to a file, it does not, change it. Hardware will encounter such a situation, a large resistor, the need for another dot, not welded, leaving two jacks, the plug directly above the resistor, it is unsuitable for a pull down. And software development is not similar?
Despite its own board can solve some problems, but also to weld to weld very troublesome, so breadboard invented out, the electronic component is inserted in a small hole, the cables are also inserted in the hole, but this connection generally two lines are relatively hard, but there is a special name "DuPont line", which hardware where there are a lot of strange names, have to remember, or hardware engineers and poor communication.
If you do complex hardware module, do not use bread plates, and a cable is too complex, there will inevitably be bad, loose and easy to find wrong with delays, effects of debugging. Therefore, for complex hardware modules, or a small board to make their own, in order to avoid welding to weld the broken element, may be needed to pull the pulling member inserted in a socket, this socket is welded to the board, so that to solve the problem.
