Quote Originally Posted by George View Post
I was thinking, the transmitter sent out a standard identifier, then it's own ID, then the function. Then I could on first powerup make the transmitter look for standard identifier, then set itself for the first ID that it sees, maybe allow a couple of codes to be set - even just do the search on a jumper connect or something. - I'm inventing as I go here
As Steve suggested first check if your programmer supports Serialization. If it does then it is already done.

If not, then why not put in a special place (program area or eeprom area) the byte you want every time you program the chip. Of course a different one every time!

Ioannis