It comes the time where you want to do some experiments to learn how a specific circuit works or to test a new circuit that you are designing.
Fundamentally, there are two options for you:
- Use a perforated board where you can solder the components to build the circuit you want to test.
- Use a solder-less breadboard, which allows you to build the circuit you need and, later, dismantle it without any damage to the components you used.
There is actually a third possibility, which is to use a PCB, or Printed Circuit Board. However, I will not consider that right now. PCB are normally used in later stage of development, when you are ready to put your design in a more definitive form. Using a PCB board at the early stages of design is not convenient, due to the cost and time needed just to produce the board itself over and over again, until you are satisfied with your design.
Personally, when I am in the first stages of a new design, and I need to try a new piece of electronic circuit, I prefer to use a solder-less breadboard, which allows me to modify the circuit at will while I test different versions of it.
Once I am satisfied with the design and I need to build my first real prototype, I then use a perforated board. In this case I lay down all the components on one side of it, normally the one with no metallic pads, and then I solder the components on the other side, where the metallic pads are located. At the same time I start running the cables from the lead of one component to another, to make all the electric connections between components.
If what I need is just one circuit for personal purposes, then I might as well end it right there, leaving the circuit on the perforated board. But if I needed to build several of those circuits, then I start thinking of manufacturing a PCB. But this is a subject for another time.
Since I work a lot with Arduino and Raspberry Pi boards, I have also created my own version of experimentation board, which is basically a piece of cardboard that I covered with blue tape, with a bunch of stuff glued to it: a couple of breadboards, an Arduino Uno, a Raspberry Pi, and a small LCD display. I also added a few little trays to temporarily place some components needed to build the circuit, or to hold bigger components that are part of the project and cannot fit on the breadboards.
This configuration allows me to build my experimentation circuits in a neat way, without having too many things lying around on the workbench. It is very easy to move around the built circuit when it is done on such a custom board.
(Watch the video on YouTube: https://www.youtube.com/watch?v=Wv7kVVZvULA&t=13s)
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