With this small device can you slow down the dc motors that runs to fast for your model.
The device can handle almost any well known voltage 5V - 35V. And is adjustable between 2V and the input voltage.
So by a battery of 12V you can adjust the voltage between 2V and 12V.
The max current is 2A. In most cases you will need a module for each motor.
|Voltage||In 5 - 35V Out 2 - 30V (adjustable)|