How to put several nRF24L01 adapters (+module) on a breadboard?
I put this as answer to maybe bring others with the same 'problem' to this idea (or not).

I think the pictures are speaking for themselves.

Some remarks:


I haven't checked if the elastics will bother the PCB antenna
It is not 100% stable while inserting wires but after that it stays quite well (depending on the strength/length of the elastics of course)
I used 74HC595N ... make sure no metal is pressed (in my case no problem). Otherwise use isolation tape.
The 74HC595N only performs as 'base', it does not make any (useful) electronic contact with both the breadboard and the RF (adapter).


Cost for 74HC595N: about 5 cents?

Advantages: 


74HC595N are reusable
Reasonable stable (after wiring)


Disadvantages:


It is cheap ... it looks also cheap


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