Questions tagged [power-functions]
A category of powered LEGO products which offer direct and remote control of action bricks.
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How to use Power Functions with Mindstorms EV3?
Having learned that Mindstorms EV3 doesn't work directly with Power Functions,
Q: Can you use Power Functions motors with the EV3 programmable brick?
A: No, the connector does not match.
I still ...
17
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3
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Can I remotely control the points on PF train tracks?
I'm interested in investing in power functions based trains, but want to automate switching points. Is this possible? What is the cheapest / easiest way of achieving this?
25
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What are the electrical properties of electric LEGO systems?
Several electric LEGO systems exist:
LEGO Trains
LEGO Technic Power Functions (PF)
LEGO Mindstorms (in several versions)
...?
How do these systems differ in electrical properties and which systems ...
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Will playing with a PF train motor by hand damage it?
If one pushes a PF-motorized train by hand, will it cause damage to the motor, or any of the other parts (IR Receiver, Battery box)?
It is essentially working as a generator when turned by hand, so ...
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How can I motorize City-scale wheels?
I'd like to build city-scale (6 studs wide) vehicles motorized with either PF motor or clockwork. The primary problem right now is connecting wheel(s) to motor. Are there small enough LEGO wheels with ...
8
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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 ...
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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 ...
15
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What's the best way to link two (or more) LEGO Power Functions (PF) train motors together?
Last Christmas I built an extended Emerald Night train to run around the tree. To get it to work I had to add a second Power Functions motor. I tuned both IR receivers to the same frequency and slowly ...
14
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1
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Steering mechanism for City-scale vehicle
I'd like to build city-scale (6 studs wide) motorized vehicles with PF remote control. There are already several suggestions on how to motorize wheels. The next challenge is steering
mechanism that ...
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What parts are really required to motorize 10219 Maersk Train?
The Official site detailed page states that:
Motorize your Maersk train by adding LEGO Power Functions #8878 Rechargeable Battery Box, #8887 Transformer 10V DC, #8884 IR Receiver, #8879 IR Speed ...
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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 ...
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Using the unregulated motor block and conversion cable to light LEDs
I have the following setup:
It consists out of
An EV3 brick
A nxt to 9v conversion cable (https://www.bricklink.com/v2/catalog/catalogitem.page?P=x1676)
A 20 cm 9v to Power Functions conversion ...
38
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What are the best options for building a LEGO RC car?
I would like to build a remote controlled car. And if someone already has a good solution for that I would be glad to try it.
It's been a while since I had the time and material to build some LEGO ...
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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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Is it possible to add the power functions to Western Train Chase?
I recently got the Red Cargo Train and it's a great Lego set but a Cars themed train going around my Christmas tree would be even better.
Has anyone gotten the power functions to work on the Western ...
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Can I use a generic (non-Lego) transformer with a rechargable Power Functions battery?
I've recently ordered a LEGO® 8878 Rechargeable Battery Box:
I was wondering if I really need to get the (rather expensive) LEGO® Power Functions Transformer or if I can substitute a (cheaper) ...
9
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Does the Power Functions IR Remote Control 8885 make a good remote for a car?
I have the Power Functions IR Speed Remote Control 8879 and it's great for, well, the train it came with and maybe other applications where you don't need precise control. 8885 looks like it would ...
8
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Power Functions battery box and receiver limits
What combination of motor/Receiver/battery boxes are possible/supported?
example: 2x XL motors, 1x M Motor, 1 light using 1 receiver and 1 battery box.
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1
answer
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Problem with running two XL motors
We are trying to run our Grand Prix racing car on the IR remote control and would like to use two PF XL motors for the drive. One motor works fine on its own, but when both are connected, they stop ...
4
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1
answer
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Does LEGO sell a DC relay for Power Functions?
I’d like to use a signal from a (5V) littleBits circuit to control some (9V) Power Functions motors.
Does LEGO sell or recommend a DC relay to facilitate this sort of thing?
If the answer is no, I’d ...
4
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1
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EV3 controlled by 8879 speed control through IR sensor
Is it possible to send commands to an EV3 brick from the Power Functions Speed Control remote?
Would I have to interpret the raw sensor values to do this? Are there any references that would help?
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2
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Can Power Functions components work with the RCX?
I don't have the RCX, and neither do I have any PF stuff, but as they both have wire connectors which are almost identical, I'm thinking that they can both work together and are compatible. Is this ...
3
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2
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Can I convert my train 9V 4563 to the Power Functions motor?
The motor of my locomotive is dead.
I have two choices : repurchase it or buy a Power Functions replacement.
It is possible of customize my train 4563 to use the Power Functions motor?
If yes, what ...
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Fixing a not working Power Functions L motor
Four of my PF L motors don't work. How could I make them work again? I didn't find any information about L motors, only M and XL.