Need extra ground

Give ideas how can i make more pleace for ground using nano.
i always used breadboard, but it takes a lot of pleace and most often i don't use anything except ground and 5v, so i need compact solution to minimize my projects.

Use smaller breadboard but with power rails.

Why is the size of a breadboard a problem? They are only for prototyping. Final projects would be soldered onto protoboard/stripboard/custom PCB in the size you require.

This is not an English word. I assume you meant space or places.

Use veroboard like below

image

Cut as may strips as you need. Solder your connections.


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I like these euro style terminal blocks
image

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