How to control dc motor using pwm signal
With a motor driver. You can't use the Arduino directly. Post the motor your using and we can point you towards the right driver.
How to control dc motor using pwm signal
You need to start using Google. This subject has been covered at least 1000 times from every possible angle.
Hakani:
How to control dc motor using pwm signal
Info:
I misunderestimated
zoomkat has demonstrated 13,700 entries on the Arduino forum. Nevermind the rest of the Internet.