Motor Control

FIRST General Forum
#1

Posted by Mckinley.

Student on team #368, Kika Mana, from Mckinley High School and NASA Ames.

Posted on 2/4/2000 7:41 PM MST

Hi, I was just wondering if we could hook up the fisher price motor(just the motor) to the relay module instead of a speed controller so we could just turn the motor off and on and not regulate the speed. I know that in the manual it says that you shouldn’t do this, but I was wondering if that is a rule, or just a hint.

#2

Posted by Tony K.

Student on team #292, PantherTech, from Western High School and DaimlerChrysler.

Posted on 2/4/2000 8:36 PM MST

In Reply to: Motor Control posted by Mckinley on 2/4/2000 7:41 PM MST:

Yes, it has to be on a speed controller due to the tremendous amount of current that it can draw. However, if you prefer a full forward/reverse with a switch, insert this into your code:

foo = 127 + (switch_fwd * 127) - (switch_rev * 127)

#3