thanks Alain and HenrikOlsson,

all good tips

at my workbench i have a 12V/3A power supply but i designed to have a normal 9v battery.

#1 Since the 9v battery does not have that much voltage/current the regulator will not over heat ( or will it ? )

#2 The nicad pack is a good idea running the servo directly from it and keeping the regulator for the pic only . But since it will be used at the field and there are many different packs available, i'm affraid that a lipo pack would burn up the regulator :s


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