Servo motor amps

i planning use 6 servo's , have found 1 servo max amp draw 1-2 amps(at rated 7 volts). if use 6 of these servo's on same power line, mean need 12 amp (max) , 7 volt supply or mean need 2 amp 7 volt power supply 6 servos.
what best way make power supply?


i have designs adjustable regulators suitable voltages  regulators can take around , above 1.5 amps, have design 5 amp positive terminal adjustable regulator , 10 amp positive terminal adjustable regulator.

if need current best make perhaps 3 4 amp regulators 2 servo's each on power supply line?

if don't need increase current more servo's saves me lot of effort.
i going use aa batteries, convenience, other ideas please tell me, because stuck right now.


p.s. reason want use positive terminal voltage regulators because want able vary voltage. if feel easier out please tell me, not feel ideal.
(i don't want cause fires if there risk)

anything help

thankyou

you need enough amps meet needs of motors @ same time. lightly loaded motors draw less current bit "how long piece of string". safe option use power supply can meet full load of servos @ same time.

there no reason not use (say) 3 x 4-amp power supplies each powering 2 servos. make sure ground each power supply connected arduino ground.

you start 1 4-amp power supply , add others if necessary if economical option.

...r

Arduino Forum > Using Arduino > Motors, Mechanics, and Power (Moderator: fabioc84) > Servo motor amps

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