Questions tagged [motor]
A motor is a machine, especially one powered by electricity, elasticity, pressure, internal combustion or some other means, that supplies motive power for a device with moving parts.
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How can I improve my rackless steering design?
I am trying to build a vehicle with a sturdy steering mechanism powered by the servo motor. When I was a kid I did this all the time with a rack and pinion design, but now I don't have any of the rack ...
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How to get double the speed from 2 regulated EV3 motors?
So I've noticed that if I connect two EV3 motors to one another (with gears), I still get exactly the same maximum speed as if I had a single motor.
So, my question: how can I get twice the power/...
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Are there any benefits to using PF motors instead of EV3 ones?
Can someone explain to me the key differences between PF motors and EV3 ones? I understand that EV3 motors are 'regulated', presumably meaning that you can control their rotational speed depending on ...
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Problem with running two XL motors motors
We are trying to run our Grand Prix racing car on remote control and would like to use two XL motors for the wheels. One motor on its own works fine, but when connected together the motors stop ...
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Moving the motor to certain initial position [duplicate]
I was assisting my child in EV3 missions, specifically, the 3rd mission of TRACK3R, the one where the robot has to grab two tires and put them elsewhere.
The mission requires to manipulate the Medium ...
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Which system is more efficient?
I got a few XL power functions motors, and want to combine them to make a racing car. Let's get to right to the question:
Which one save the most torque power? This one...
...or this one?
PS: It ...
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LEGO Mindstorms Motor Power
I am working on a project with a LEGO Mindstorms (RCX) motor. For this project, all I need is to spin a motor (43362, http://www.philohome.com/motors/motor.htm).
I was wondering how the LEGO ...
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EV3 Motors not moving even though EV3 has batteries
I am new to using the EV3. I have only had it for 3 weeks.
My question is why are my EV3 motors not moving?
I know the motors are new and they are in such a good condition they could be sent back ...
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How do I connect two models to one PF motor?
Hi there I am trying to see if it is possible to connect the Ferris Wheel AND the Winter Village Carousel to one Power Functions motor.
Is this possible? Does anyone have a link to a video perhaps ...
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Drive motor via Power Functions IR with own power source
I want to see if it is possible to drive a Power Functions motor both with variable speed and forward/reverse with my own power source. I am planning to use my own power source, an IR receiver and a ...
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How do I make the Mini Cooper (model 10242) motorized?
I'm trying to find out what exact parts I need to make the Lego Mini Cooper 10242 motorized. I'm trying to surprise my boyfriend with the set plus the parts he needs to make it motorized. I'm just at ...
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NXT Program doesn't do what it's supposed to do
Ok, so I have this automatic gearbox I have made and I have 2 motors and 2 touch sensors
I want Motor A to spin forever unless Motor B is turning
Motor B should turn around 15 degrees and then brake....
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Cheapest and Simplest way to build a LEGO Technic car?
Having no LEGO Technic parts at all, I'm looking for the cheapest and simplest way to build a LEGO Technic car which can be combined with two Lego Technic motors to drive forward and backward (phase 1)...
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How to run "Power Functions" devices from an electric wall plug?
In this video showing an example of Great Ball Contraption (GBC), we can see (at 1:35) that some trains powers are used to run Power Functions motors:
That must be more convenient than having to ...
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Does the LEGO "Power Functions Extension Wire" (8886) work in both directions between old 9V and new Power Functions devices?
Here is the LEGO "LEGO® Power Functions Extension Wire" (8886):
We can see that the left connector can connect to old 9V electric bricks or wires and the right connector can be plugged to the new ...
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LEGO Submarine waterproofing functional parts (e.g. motors, RC receivers)
From my understanding, the motors and RC receivers are not waterproof. Thus, the LEGO submarine from Sariel's LEGO® Workshop rust after sometime.
So, is there any way to make the motors and RC ...
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How can an EV3 motor "remember" it's starting position?
I am currently working on a project that uses large motors. I want the project to return to a "starting position" (0,0,0) at the touch of a button so that it can be used multiple (identical) times. ...
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Is it possible to damage a pneumatic pump/motor by applying too much pressure?
I've recently bought the Mercedes-Benz Arocs model, which contains a compressor (i.e., a pneumatic pump which is operated by an L motor).
I was wondering whether you can ruin your pneumatic system ...
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How to motorize Technic 42040 Fire Plane
Where can I find instructions on how to motorize the Technic Fire Plane. We have the kit 8293 which contains a motor, battery box, lights and switch, but we have no idea how to attach them. Will ...
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What is this 11x6 white and dark grey motorized LEGO piece with blue buttons and a transparent blue panel?
My brother bought a big tub of LEGO recently and found this piece inside. He doesn't know what it is and we can't find anything about it online so we were wondering what it is. He says it isn't in any ...
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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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How to build a steerable remote-controlled vehicle with just 1 motor?
In WeDo 2.0 set there is only 1 motor, which can be remotely switched on and off by using the iPad app (by writing a Scratch program).
Also motor rotating direction can be toggled remotely.
As an ...
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Motorizing Hobby Train 10183
What are the PF motors available that will power the Hobby Train 10183?
Moving out from 9v tracks, will the existing 10183 wheels fit any other tracks?
Also, is there a difference between the PF ...
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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.
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How much current do the LEGO motors draw?
I'm building a project with Raspberry Pi and some other electronics driving the LEGO Power Functions M-Motor (8883) and I need to know how much current those motors draw under load.
Has anyone done ...
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How do I diagnose a problem with electronic bricks and motors?
My children and I recently assembled the 42030 RC VOLVO L350F Wheel Loader (aside: with the 1,600 pieces and time investment, this set will likely survive to the heat death of the universe intact ...
user3408
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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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Wiring and Controlling an 88004 servo from a RaspberryPI
My 88004 servo does not move at all. Don't know how I should connect the wires correctly.
I think the inner two cables are C1 and C2 and the outer two GND and VCC.
When I connect 6.5V to the outer ...
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What are the various LEGO motors that have been produced over the years?
RCX, NXT, WeDO, EV3, Technic etc.
How many different motors have been released over the years??
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Information on this large beige motor w/battery box?
I have a LEGO Technic motor with a built in battery box for x3 "AA" batteries (thus 4.5 volts). Could you help me identify it? What set does it belong to and how old is it? Colours are beige and green/...
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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 called ...
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What prevents a 12V motor, when pushed by hand, from providing DC electric out?
This question is somewhat related to a similar question I asked about whether pushing a 12V train motor (such as the one below) would damage it.
See title "Set 7865: six wheeled Lego® train motor (...
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At what voltage do the c1 and c2 lines run at when controlling a lego servo motor?
related: how to control a servo motor from a raspberry pi
The raspberry Pi normally outputs 3.3 V signals from it's pins, however there are logic level converters for interfacing with higher-voltage ...
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Can I safely dissassemble a 74569 motor (the old, fast 9v one)
I have an ancient 74569 motor:
Unfortunately, it's broken: The shaft spins freely by hand, but when I connect power to it, it doesn't spin at all.
I would like to see if I can just open it and place ...
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How much torque can a lego axle handle?
from to this question, it seems that the gears are stronger than the axles, which begs the question of how strong are the axles? if you connect one of the stronger motors, such as say the buggy motor:
...
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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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Slow down the mindstorms EV3 motor so target position is not overshot
I have Debian jesse installed on a mindstorms EV3 and I'm using the ev3.lego library: https://github.com/topikachu/python-ev3
I want to be able to slow down the motor as it reaches its target ...
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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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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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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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How can I rotate an EV3 motor an exact number of degrees using RobotC?
I'm trying to rotate the motor of an EV3 by an angle of 50°. I can't.
How I can rotate a NXT/EV3 motor by a given angle using RobotC?
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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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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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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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6216m2 motor found... what to do?
I recently found a 6216m2 motor in a jumble of old bricks and such - but
no connection wires.
Firstly, how does this motor compare against all others? As it is a 4.5V motor, it is not listed in ...
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How can a Mindstorms robot lift something very heavy?
I have a small LEGO Mindstorms robot and it needs to lift heavy objects, but it doesn't seem possible because the motor cannot bear the load. What methods or mechanisms can I use to make the robot ...
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How to control a 88004 Servo Motor with a Raspberry Pi?
I am able to control a simple servo motor such as SG90 by using pulse-width modulation. However when it comes to controlling a 88004 LEGO Servo Motor it is simply a nightmare.
By using PWM all I ...
user4343
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How can I wire up the LEGO 2838?
I would like to know how to hook up the LEGO 2838 9v motor. I understand that the Power Functions extension wire is compatible with the 9v system, but how on earth do I wire them up?
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Which is faster: M motor or XL motor?
I understand that the M motor has an adequate amount of speed, and the XL motor is best known for its torque. But is the XL motor really faster than the M motor? Or is it the other way around? I am ...
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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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