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I have two arduinos two rf recivers and two transmitters I can recive signals from fobs but what I want to do is have a sensor on a door connected to a arduino the arduino then sends a rf to the other arduono which turns on a light is this possible I can’t find out how to do the sketches

Madmax23: I have two arduinos

Whichs ones?

Madmax23: two rf recivers

Which ones?

Madmax23: and two transmitters

Which ones (see where we are going with this yet? ;-) )

Madmax23: I can recive signals from fobs but what I want to do is have a sensor on a door connected to a arduino the arduino then sends a rf to the other arduono which turns on a light is this possible I can't find out how to do the sketches

This is very possible. I could do this with nrf24l01+ modules and a solid state relay module (or ordinary mechanical module if you prefer).

But without knowing what you have, I can't really help much and am away from internet access a lot lately ....