Replace 6v DC-motor with a 12v DC-motor ?

hi!

i'm looking / guidance part of project.
i have wired , managed make work:

http://www.instructables.com/id/arduino-dc-motor-speed-control-potentiometer/?allsteps

but replace ^^ dc-motor one:

http://www.electrokit.com/en/dc-motor-with-gearbox-370-1-312v-32rpm.52989

i need motor behave in same way. go 0 rpm full speed (32rpm).
i appreciate modifications should make in code , need change on breadboard.

/all best, rob

the rpm of course depend on motor wanna use in new version of project.

but apart that, need figure out how you'd power motors. need 12v power supply. 6v wouldn't enough more.

deepening on 12v dc motor choose, need check rated current draw @ full speed, , based on decide how you'd drive motor e.g. using motor driver or you're own design.

the code identical except might adjustments on speed of new motor.

good luck!
 

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