Here's an extract:-
"When done, you should label the sonar with its address, however if you do forget, just power it up without sending any commands. The SRF08 will flash its address out on the LED. One long flash followed by a number of shorter flashes indicating its address. The flashing is terminated immediately on sending a command the SRF08."
The address should be one of:
E0,E2,E4,E6,E8,EA,EC,EE,F0.F2.F4.F6.F8.FA.FC.FE
Address Long Flash Short flashes
Decimal Hex
224 E0 1 0
226 E2 1 1
228 E4 1 2
230 E6 1 3
232 E8 1 4
234 EA 1 5
236 EC 1 6
238 EE 1 7
240 F0 1 8
242 F2 1 9
244 F4 1 10
246 F6 1 11
248 F8 1 12
250 FA 1 13
252 FC 1 14
254 FE 1 15