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two motor and one servo controllers 
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Rookie

Joined: Thu Nov 06, 2008 4:04 pm
Posts: 3
Post two motor and one servo controllers
Has anyone connected two motor controllers to one servo yet? we have connected one motor controller
to a servo controller using the robot c test bed design. We would like to connect a second motor controller
now and want to do it correctly.
DO i just connect the hot(red) and ground (black) wires from the number 2 battery connections on the servo
controller to the first battery connections on the second motor controller?

thx much


Fri Nov 14, 2008 4:22 pm
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Professor

Joined: Fri Sep 19, 2008 1:22 am
Posts: 200
Post Re: two motor and one servo controllers
Yes but you also need to daisy chain the NXT cables. That's why there are two NXT jacks on each controller. Also remember to go into the Motor and Sensor Setup wizard and tell it what you did.

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Jeff McBride
Benson Robotics Club


Fri Nov 14, 2008 5:28 pm
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Professor

Joined: Fri Sep 19, 2008 1:22 am
Posts: 200
Post Re: two motor and one servo controllers
Quote:
HI Jeff canyou give me some more explicit instructions. I have set up the
second motor controller, with the power and the nxt connector daisy chained.
I alos choose the option in robot c of one motor and one servo controller on s1 of the nxt and then one motor controller on s2. I set the f and g motors to operate on the second joy stick.it compiles and downloads fine, but then i get an error message when i click start.

can yoy maybe send me a quick program to get the f and g motors operating on the second joy stick


I'm afraid that I am very confused by your explaination of both your wiring and your program.
Can you take the time to explain in detail exactly how your robot is wired?
What does the error message say?
Also, please post your program.

Jeff

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Jeff McBride
Benson Robotics Club


Mon Nov 17, 2008 12:03 pm
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