Hi,
I want to connect 3 Arduinos to one, I also need bidirectional communication.
Are there any cheap and easy to configure modules?
Thanks.
Define "cheap".
So, a total of four?
Read about ESP-NOW.
Yes there are, but depending on what your requirements are they may not work.
Perhaps provide details of what the project actually is, the location\environment, the distances, and the data rates or speed you want.
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