D.C. motor speed control 1

hello everyone!
i would like to get some info. about how to build a speed control for an electric motor - by myself, the speed control is for a 12[v] D.C. motor (1 h.p.)
thanks

 

[nbucska]

How much accuracy do you need ? <nbucska@pcperipherals.com>

 

[jbartos]

Suggestions:
1. There are some similar postings on this topic in this Forum, which are accessible over the advanced search feature
2. Visit

http://www.engin.umich.edu/group/ctm/examples/motor/digital.html

http://www.solorb.com/elect/pwm/

http://www.boondog.com/\tutorials\2993pwm\2993pwm.htm

http://dc-electric-motors.com/dc_motor_controller.html

etc. for more info