use lamp 100w 220v Ac in series with diode in the phase line,and diode in reverse on the nutral line you get 12v dc,from 12v dc easly to get 5v...

HI evrey one ihave a question plz. i need a device putted in outlet 220v,transmit to copatibel recive device wireles to get 5-12v dc to distance 20 meter and above....

MY NAME Mohamad Iam from lebanon electronic engineer,master degree from polytechnical universety,Ukraine I work as empolye in company 5 years, i want to share my questions,and ideas with all engineers...