recive and transmission address

Question

HI all: 
I am using the nrf24le1.And i confuse about the recive and transmission address in rf transceiver.
What do we use the address to do usually.It will be wonderful explining the question with a example.
Many thanks.
Merry Christmas!

Hung Bui · Accepted Answer

Hi, 
 There is no rule for TX address except that it has to match with the RX address on the device you want to send the packet to.
For RX address, you can find the rule at Figure 15 in the Product Spec. Address 0 (Pipe0) has 5 unique bytes and free to choose. Address 1-5 have the same first 4 bytes and last LSByte is unique for each. 
 It's OK to use default address, but you will have more chance of being interfered by other device if they also use default address.