Motors can be used with various Mindstorms and Power Functions sets to add movement.
15
votes
4answers
3k views
How can I use more than three motors with one NXT brick?
I'm building Caterpillar Excavator with my NXT, and at the moment I'm trying to control 4 points of motion:
2 Caterpillar Tracks - These should be controlled independently to allow for cornering, ...
8
votes
1answer
302 views
Is it safe to overload LEGO train motors?
When I was in Fana'Briques in 2008, there was a speed record competition for TGV-themed train. The setup used a section of custom-made straight track (aluminium rails if I remember correctly) and was ...
8
votes
1answer
218 views
Will playing with motor by hand damage it?
If you play with a train that is PF-motorized by hand, will you damage the motor? Or any of the other parts (IR Receiver, Battery box)?
It is essentially working as a generator when turned by hand, ...
7
votes
1answer
439 views
What is the difference between train motors 88002 and 10153?
I want to motorize my Santa Fe Super Chief.
Its original instruction mentions 5300 but it's marked obsolete on BS.com and now re-released as 10153.
In the same time 88002 costs few times less, e.g. ...
7
votes
1answer
223 views
Will Lego repair a bad motor?
I have the Electric Technic Micromotor:
http://www.peeron.com/inv/sets/5119-1
and it simply won't come on. I seem to recall at some point someone telling me a long time ago, that if you sent parts ...
6
votes
2answers
367 views
How to fix my XL motor?
I used the XL motor near water. Now it stopped working. Can someone tell me what I can do to fix it?
5
votes
2answers
636 views
Does the PF Servo motor return to center?
Does the PF Servo motor, which was introduced in the 9398: 4x4 Crawler model, have return to center feature?
5
votes
1answer
212 views
NXT brick output ports not working properly
My NXT brick will not let motors run. When I download a program the motor will move forward and backward and then stop - sort of a wiggle. Another motor will not work at all. This happens for all ...
5
votes
1answer
568 views
How to speed up the 4x4 Crawler truck 9398?
Just finished building the 4x4 Crawler and it was a fun build but as a remote control car it is . . . in a word . . . SLOW! I know it's powerful and can climb over stuff but sometimes there is nothing ...
4
votes
2answers
113 views
Is the PWM on the PF Servo motor different than the PWM from an Arduino?
I have a Arduino motor shield connected to XL, L and M motors and can control the speed with PWM (Pulse Width Modulation). I made my own connector by cutting a Lego PF connector in half and wiring up ...
4
votes
1answer
252 views
What is the difference between the two train motors 8866-1 and 88002-1?
At the Lego store the other day they were talking about a "more powerful" train motor for the Maersk train (I was asking about adding a second motor to the red cargo train so it would go uphill). But ...
4
votes
1answer
159 views
NXT motor power accuracy
When turning the motors, how precise is the speed parameter? I am programming in the NXC language (standard firmware) and wishing to know how many decimal points will be taken, if any, and whether the ...
3
votes
1answer
408 views
Can 10153 9V train motor be powered by the Power Functions Battery pack?
I am currently making the switch to Power Functions with my Lego Train collection and am wondering if I can power the old 9v motors that I used with the metal rails, with a battery box from the power ...
2
votes
1answer
120 views
I need help with a broken LEGO motor
I have a LEGO motor and it broke but I didn't know why so I took apart the LEGO motor to see if the wires were the problem. I tested the wires to see if they were working but they weren't and I can't ...
2
votes
1answer
34 views
NXT motors not moving?
I've been looking around the net for a solution to this problem, to no avail.
After taking my NXT v1 out of storage, I tried using a motor, but it sortof just, moves back and forth once, then ...
2
votes
0answers
181 views
Program a full rotation of a NXT motor in X seconds
I'm interested in mimicking the functionality of the Arqball Spin, at $60 it isn't cheap so I'd like to make the most out of my Mindstorms parts.
I'd like to use NXT-G to program a motor to rotate ...
1
vote
0answers
48 views
Can you use four movement bricks on one NXT? [duplicate]
Possible Duplicate:
How can I use more than three motors with one NXT brick?
I want to make a tank out but it needs 4 movement bricks but I only have one NXT. Here are the parts:
It can ...
0
votes
0answers
51 views
Motor doesn't work. very strange problem! [duplicate]
I didn't use the mindstorm for about one year. Yesterday I built a new robot and tried the motors. Teh right motor didn't work continously, but just started and stopped immediately. BUT NOW THE ...
