Motors can be used with various Mindstorms and Power Functions sets to add movement.

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Will playing with a 12V train motor by hand damage it?

This question is similar to one for PF motors. The 12V motor bogie has considerably more resistance than does the newer PF bogie motor, which may be moved very easily when not operating. So, if one ...
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2answers
130 views

NXT Motors curving to the right

The NXT motors have been curving to the right by about 10-20 degrees. We have checked the program, no curves. We have checked the wiring, but it is also plugged in fine.
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211 views

Lego EV3 - Get output device type, opOUTPUT_GET_TYPE

I would like to know what kind of motor (XL, L) is connected to EV3 output port (A|B|C|D). I need to use direct command: Instruction opOutput_Get_Type (LAYER, NO, *TYPE) Opcode ...
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181 views

Using motors to ring a bell?

I would like to create a motor set up so I can use it to ring a bell inside a small tower. Since I haven't used any of the current LEGO motors was wondering what the group would suggest. which ...
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1answer
50 views

NXT2 motors limitation?

We are extending famous Dave Parker's nxtprograms.com 2 Touch Remote I have added 2 extra "threads" - one to control 3rd motor (which is a frontal "claw") and another one to use 4th touch sensor to ...
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541 views

How can I controll the speed of motor using gears?

Can anyone tell me how to use gear wheels to modify the speed of the motor in the Power Functions set 8293? I know I could use the remote control unit, but I need to have a fixed slow speed on a ...
3
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1answer
230 views

Scan objects while moving?

I'm using leJOS with an NXT robot. I want to scan the distances of objects from my robot. While rotating the Ultrasonic sensor from right to left, I would like to find out which object is closest to ...
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1answer
334 views

Pull back motor 552 x2

I have these wheels and want to find a set/booklet where it is used. No combination of the numbers give any result. It says Lego Group 2011 522 x2 Found it
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1answer
54 views

I need an NXT motor adapter

I'm trying to get an NXT motor adapter to this that I'm getting: If you don't recognize this, the parameters said : 80mm 2000 ±10% RPM 28.89 CFM Rifle 20.9 dBA Please tell me what this is ...
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1answer
84 views

Absolute Turning Motor in NXC

How can I turn my motor to 123 degrees, not for 123 degrees? I tried the PosRegSetAngle("output", "angle") command and didn't work. Documentation for PosRegSetAngle
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90 views

How to Motorize the LEGO Mars Rover

I am looking for some suggestions. My daughter is building the Mars Rover set (go here for the details: http://www.eurobricks.com/forum/index.php?showtopic=98222) for a presentation at school and I ...
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1answer
65 views

Connect 39k3 powerpack to 417j3 motor

I'm new to lego. Trying to connect the powerpack 39k3 from 42009 Crane to a 417j3 motor. Is a 8528 Converter Cables for Mindstorms NXT the right cable? Is there a way to hack a phone connector ...
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77 views

NXT shuts down USB on Mac after connecting motors

After successfully connecting our NXT to my Macbook Air and upgrading firmware to 1.31 we built our first robot. We plugged in the motors to ports A, B & C and now we get an Error stating that USB ...
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1answer
307 views

NXT program not running

We have multiple NXT Bricks. We can read sensor data and motor degrees from View. Some are running FW 1.31, others FW 1.28. When we try a simple 5-step NXT program, the motors will not turn. We tries ...
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1answer
6k views

How do I get instructions to fully motorize Technic 42006

I have just purchased the Technic 42006 and would like to make it fully remote controlled.
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2answers
152 views

Inverting motor's rotation

I've designed a robot with two motors. It works as follows: The first motor is attached to the the person's arm, the second motor receives the calculated movement and moves accordingly. When the ...
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262 views

Can I use EV3 with a TETRIX motor?

What program can I use to control a TETRIX motor through the LEGO EV3? I've heard that RobotC currently cannot be used for this. Has NI released a Labview version which I can use to control TETRIX ...
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51 views

How to Return a Motor to a specific value [duplicate]

I've created an arm robot using Mindstrom NXT that can find an object pick it up and move it to an new and random location. My problem is that I would like for the motor to, at the end of the program, ...
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56 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 ...
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1answer
1k views

LEGO Power Functions M-Motor 8883 characteristics

I have a couple questions about LEGO Power Functions M-Motor 8883 (http://shop.lego.com/en-US/LEGO-Power-Functions-M-Motor-8883): Is it synchronous or asynchronous? It is powered by AC or DC?
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Is there an alternative replacement motor piece for 4.5 V Trains?

Is it possible to find on a market a simple 4.5V electric motor, that can be installed into LEGO Part 564c01? The service pack No. 5000 is more and more difficult to find.