[CoolROD]

Sure, you could use that -It is a pretty neat (and Cheap) way to connect the voltage regulator, capacitors, potentiometer, resister, and mabye a diode. That is actually a little overkill, but neat and the other parts are included. If you put 12V in you will get an efficient and clean variable output of 1.5-10 volts. To get the full 12 Volts you could bypass this device with a switch (and that would also be more efficient if you need to run at this voltage). If you can come up with 24 Volts input you will get an efficient and clean variable output of 1.5-22 volts., etc.

You do not have to have all of those components -they are more for an electrically clean output signal, but you are just running a motor. We also do not neet the additional bridge rectifier they have included to allow you to input AC voltage. That is the reason for the additional voltage drop that we cannot use for output. Usually about 0.7 Volts loss across each silicon diode.

You would need a potentiometer, usually about 5K ohm, and a free-wheeling diode can be a good idea... Your link shows a circuit -but I can post a simpler circuit tomorrow. Still -this is pretty cheap and neat for what you get. And it comes with a $1 heat sink! If I had to buy all of those components new, I would pay that much or more -and you get the PCB board.