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This is how electronic circuits are normally prototyped!
Once you validate them like this, the next step is usually to move on to printed circuit boards for more reliable production setups.
Breadboards are a thing of beauty and wonder.
Figure 10. Point-to-point constructions on woden boards. Source. Predecessors to breadboards from where the name came. A thing of beauty, so vintage. You could actually write stuff on those with a pencil!
Video 15. Breadboards - Trash or Treasure? by Keysight (2020) Source.

Ancestors

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