Cn a zigbee end device can become a router or coordinator by using at commands through arduino?

i want to make an end device to coordiator node when needed .its is possible to switch an end device to become a coordinator node using at commandd sent to it via arduino program

Sure it can.

Yes.

For Coordinator: Set CE=0x1 and SM=0x0
For Router : Set CE=0x0 and SM=0x0
For End Device : Set CE=0x0 and SM=

Mathur
Digi Support