If you have a similar board you might make changes to it, or you might wire together some breakout boards. But in my professional experience, it's rare for anyo

If you have a similar board you might make changes to it, or you might wire together some breakout boards. But in my professional experience, it's rare for anyone to use breadboards or perfboard, especially in the last decade or so since SMT became standard and PCBs became so quick and cheap.