Help me for my NRF24L01 Problem !!

[Hamid Zajkani]

I want to create a star network communication like image below !

one Arduino Mega 2560 + Ethernet shield + SD Card and NRF24L01 !!

and some nodes up to 20 node. that contain Arduino Uno + NRF24L01 for create my project that server decide to each node have to start power on some device like LED ! and the nodes send some information for example temperature or humidity .

what I have to do ??

 

[Bluejets]

Instructables has a mesh network using APC220 units which appears well thought out with certain advantages. Might be worth a look for you.

http://www.instructables.com/id/Simple-Arduino-Wireless-Mesh/

 

[Hamid Zajkani]

Instructables has a mesh network using APC220 units which appears well thought out with certain advantages. Might be worth a look for you.

http://www.instructables.com/id/Simple-Arduino-Wireless-Mesh/

good but its not my module