Quote Originally Posted by mister_e
If it was as this simple... Manchester and any other method would never exist

It will depend of tons of elements.. this is why i hate RF stuff.

Try to keep your lady Happy without any 'Preamble' and good method... May work sometimes...
If there are many (tons) thing i have to take in consideration to transmite one byte using my TX /Rx ......
can you specify what these factor to make this thing work.

1- Do I need another chip or assistance in addition to PIC16f84A (or just I connect the module directly to pic).
2- Is it a programing (code) problem.
3-Even when I send 170 decimal which is 0101 0101 in binary (easy for reciver to detect) I'm not receiving any thing.

by the way I try also to use HT12E /HT12D encoder decoder but it didn't work.