Questions tagged [control-plus]

An electronic control system introduced in 2019 to replace the Power Functions system.

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Cat D11 Bulldozer will not complete calibration

Building the D11 and have completed through Step 198 and run the calibration. The clutch activates and the blade arms move. But then the calibration process just hangs. I have checked Step 87 and ...
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0 answers
105 views

D11 42131 caterpillar

I have stared to build the above and I was half way through point of inserting the connectors to the hub. I have tried all the ports and looking at the schematic plan on on page 169 and have followed ...
1 vote
2 answers
813 views

Calibration Freeze on D11

I've read through similar posts, but haven't seen exactly the same issue. Built it once, and froze during several calibration attempts. Stripped it all down, rebuilt it very carefully and still have ...
0 votes
0 answers
76 views

Error of Control+ calibration test on CAT D11

I've just finished building set 42131 Cat D11 Bulldozer, but unfortunately I couldn't do the final calibration before driving it... I carried out the tests during construction and everything was OK. ...
0 votes
0 answers
86 views

Caterpillar D11 (set 42131). will not calibrate the blade tilt function

I finished building my LEGO technic CAT D11 set and I tried using the C+ app but the first try It did nothing so I searched and found I accidentally missed a gear and put it in my extra pieces box so ...
1 vote
0 answers
119 views

Lego Control plus doesn't work with Cat D11 Bulldozer (42131)

When I am testing my remote control for the Cat D11 Bulldozer (42131) all features are working except the two motors for the wheels. Also when I am syncing the CONTROL+ app nothing is working. I have ...
2 votes
0 answers
166 views

D11 Test mid build

On step 198 of D11 Technic set the instruction asks you to test the gears. When I test it, the gear switches but never runs the test to spin the right gear. It does that on each gear it tests. I ...
0 votes
0 answers
212 views

Cat D11 calibration starts then stalls

My Cat D11 lego worked perfectly a few months then it stopped having full range of movements (blade, rear ripper, stairs) but still drives ok. When I try to calibrate, it starts the process but then ...
10 votes
4 answers
21k views

Alternative to LEGO CONTROL+ app

My son just received the Liebherr R 9800 excavator 42100 LEGO set. It would seem the Control+ app that is recommended for it simply won't work. It doesn't even connect to the blocks. What are the ...
1 vote
0 answers
90 views

App-Controlled Cat® D11 Bulldozer

I'm having a problem with the App-Controlled Cat® D11 Bulldozer (42131). The option Module 2 test has disappeared from the app. How do I get it back?
2 votes
1 answer
126 views

Lego 42129 automatic suspension lift

Has anyone looked at a mod to lower the suspension on the LEGO 42129 4x4 Mercedes-Benz trail truck when the differential lock activates. I was thinking about a few linear Actuators but never had a set ...
3 votes
2 answers
10k views

Caterpillar D11 (set 42131). Control+ app doesn't seem to work

I just finished my build of the Caterpillar bulldozer D11 (set 42131) and I'm NOT able to operate it with the Control+ app on my iPhone. First the calibrate process begins: Step 1 in that is to move ...
6 votes
1 answer
366 views

How deep can the axle go in the Powered Up L motor?

I am trying to make a MOC but I can't decide how long the axle could be so it can go fully into the motor but not extending out of the other side. Could you tell me how long the axle can go in?
0 votes
1 answer
161 views

42114 (6x6 Volvo Articulated Hauler) doesn’t operate bucket and also doesn’t drive

My 42114: 6x6 Volvo Articulated Hauler drives in first gear for a moment, then stops completely; same thing with 2nd and 3rd gear. It doesn’t operate the bucket either. I suspect I forgot to add a pin ...
0 votes
0 answers
492 views

The Powered Up app won't connect to my Technic Hub

I have recently bought a Technic Hub and four Powered Up L motors, but currently I only put two motors into the B and D ports of the hub. I downloaded the Powered Up app to a tablet and used the "...
6 votes
1 answer
2k views

Control Lego Technic Control+ Hub via Python

Is it possible to control the Lego Technic Control+ Hub with Python? I have tried using Pybricks but that didn't work well for me.
5 votes
1 answer
2k views

What internal electronics does the Control+ Technic Hub (88012) use?

I'm interested in comparing to the other Powered Up hubs, which are already documented here: Mindstorms v4 / spike prime What internal electronics do SPIKE Prime and Mindstorms v4 use? train 6AAA hub ...
3 votes
0 answers
129 views

Technic Medium Hub - Supported Gestures of Gesture Recognition Sensor?

I am in process of writing a .NET library for PoweredUp and I am currently trying my luck with the Gesture sensor in the TechnicMediumHub (aka Control+ Hub). Below the dump of the Port(Mode)...
3 votes
1 answer
100 views

Use D output in 42099 (4X4 X-treme Off-Roader) set

How I can use the D output for an additional motor in the 42099 set? Or how can I use a custom control skin?