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Found 8 results

  1. Hello, I've been wondering wich would be the best set to gather basic PU components so I have put togwther the following table from bricklink & Eurobricks reviews. I hope you find it useful Set number Name Parts Price RRP (€) Hub 4 ports (22127) PU Motor XL PU Motor L WeDo Motor M PU Motor Angular Large Planetary Hubs Longest Lin. Actuators CV ball joints Wheels 42129 4x4 Mercedes-Benz Zetros Trial Truck 2110 Parts 300 1 3 1 4 3 Log + 7 std 4 Medium Claas Tires 42099 4x4 X-treme Off-Roader 958 Parts 230 1 2 1 4 8 4 Claas tires 42114 6x6 Volvo Articulated Hauler 2193 Parts 250 1 1 1 1 2 6 Unimog tires 42109 App-Controlled Top Gear Rally Car 463 Parts 135 1 1 1 2 boring tires & 2 ugly tires 42100 Liebherr R 9800 4108 Parts 450 2 3 4 6 104 grey Threads 42124 Off-Road Buggy 374 Parts 130 1 2 4 new spiky tires 42131 CAT D11T BULLDOZER 3854 Parts 450 1 2 2 2 2 116 yelow Large Threads There are several interesting discussions on set prices and value for money across the forum (one in the the recent and excellent review of the 42131-cat-d11t-bulldozer ) and I am not going to dare to suggest any of them. It will depend on your current collection and your future plans but the facts to make your own decision are there. Robot inventor 51515 is a bird of different fur, so I am not considering here, but could be a possibility for some.
  2. Hi guys Recently, I finished another model. It is a tractor unit inspired by Scania S-Series trucks. It has 6x4 drive and suspended axles. The front axle is suspended with normal LEGO hard shock absorbers. The rear axles have rubber suspension which imitates air-suspension as used in real trucks. The suspension at the rear axles is a bit hard but chassis is in return flat. The fifth wheel as a self-locking mechanism so that you can couple a trailer easily. To open the fifth wheel a small linear actuator is used. For steering a PU L motor sits directly on the front axle. For propulsion I used two PU XL motors. But check the pictures and video: Instruction at Rebrickable: https://rebrickable.com/mocs/MOC-86508/FT-creations/6x4-tractor-unit-inspired-by-scania/#details
  3. 01 by RJ BrickBuilds, on Flickr Hello, Bozos! You can support Johnny 5 on Lego Ideas to turn him into an Official Johnny 5 Lego Set here: Johnny 5 on Lego Ideas Who is Johnny 5? Those who don’t know him, Johnny 5, also known as “S-A-I-N-T Prototype Number 5” or Number 5 for short, is a very lively and inquisitive military robot prototype who’s perpetually hungry for more “input”. He is the star of the 1980’s movies Short Circuit and Short Circuit 2 and a TV special called Hot Cars. He became sentient when he was luckily struck by lightning during a combat demonstration. Although he is designed to serve the military as a robot prototype, he has an adorable child-like behaviour and has a great respect for life. He is a peace-loving robot and refuses to use his military capabilities to harm others. Despite being very intelligent and inventive, his naivety and trusting nature has been taken advantaged of on several occasions. Design This model is fully motorised using Powered Up motors and hub and controlled through a mobile device using the Powered UP App. It uses Technic parts to ensure stability of the structure, and System parts to capture the look and form of Johnny 5. The following are the playable features of the model: Movement – This model can move around on tank tracks and uses skid steer to change directions. Body – Johnny 5’s body can tilt using a Powered Up L motor and controlled using a mobile. Arms – Arms can be raised and lowered individually using the Powered Up App. The fingers can be adjusted manually as well as the elbows. Head – The head can be tilted and turned using the Powered Up App. Eyebrows – Eyebrows can be manually adjusted to suit the desired facial expression. Laser – The laser at the back can be raised and lowered using the Powered Up App. Watch the YouTube video here to illustrate these functions better: Johnny 5 on Youtube Total Pieces: 2,711 Dimensions: Studs: W 68.4 x L 36.1 x H 73.5 Inch: W 21.5 x L 11.4 x H 23.2 cm: W 54.7 x L 28.9 x H 58.8 Weight: 99.8 ounces or 2.83 kg Johnny 5 MOC Pictures: 02 by RJ BrickBuilds, on Flickr 03 by RJ BrickBuilds, on Flickr 06 by RJ BrickBuilds, on Flickr 05 by RJ BrickBuilds, on Flickr 04 by RJ BrickBuilds, on Flickr 07 by RJ BrickBuilds, on Flickr 08 by RJ BrickBuilds, on Flickr 09 by RJ BrickBuilds, on Flickr 10 by RJ BrickBuilds, on Flickr
  4. This is an alternate build of the Lego Set 42100, Liebherr 9800. Parts list used in the MOC is listed so you can opt to just buy the required parts instead of buying set 42100.Motorized features include: Tank drive for both tracks Arms upward/downward movements Head turn Head tilt Body tilt Manual play features include: Upper and lower eye flaps can be moved to show facial expressions. Finger movements. Limited manual arm movements Here's a link to the YouTube video to showcase its movements: RJ's Johnny 5 YouTube Video If anybody is interested, building instructions are available at Rebrickable.
  5. Hi, new here, need some help, I'm searching for an app that can control buwizz 3 and the PU hub, at the moment I can control the buwizz via their official app and control the hub with the BrickController2, but not both using one app. hope there is an app that can do that. thank you.
  6. Hello everybody, To control my models with the new control+ motors I used the Buwizz app. Now that Buwizz app doesn't support the control+ system anymore, which app is the best to use now?
  7. I'm missing a place where Powered Up code can be gathered and explained so other guys can reuse it or find inspiration. I had a discussion with @Jim how that could work out in this forum. I was thinking about having something like the hall of fame for code which underwent optimizations in a dedicated thread and which was proven to work. But this might lead to several thread which are prone to be inactive. So we decided to start with a single thread to publish PU code and discuss it. If it gets to chaotic We could have two separate thread. One for discussion and help request and the other one for working and optimized code. To keep things orderly, a general structure might be helpful. So here we start with my proposal. TL;DR: Automatic brake lights based on speed reduction Description: The following code switches brakes lights on in case the speed is reduced. That works for reducing speed while driving forward and backward. When the speed reaches 0, the light are turned off. In this code I'm using PF lights controlled by the Boost color and distance sensor. But that can be replaced with PU lights. Code: Video Declaration of variables: a - Used to control the speed, is set by the slider 0 b - Speed (a) at the first point in time c - Speed (a) at the second point in time d - Speed difference between b and c Detailed walkthrough: The code block consists of three rows. The first row consists of a loop (left) and the code block to control the speed of the motor (right). Most of the code blocks in the loop are not needed. You actually just need the first block which sets constantly a value for the variable a to control the speed. The rest are widgets for testing timings. The second row is the logic to detect speed differences. To do that constantly, a loop is used again. It simply reads a, the speed at different times. You can adjust the time between the measurments according to your needs. In my case 0,08s worked well. At the end of the loop the difference is set to the variable d. The value can be something between 100 and -100. The third loop at the bottom contains the logic to turn the brake lights on or off. You will also notice the purple blocks. They are used to control the PF lights. I'll come to that in a bit. First i want to explain the logic to turn the lights off an on. There are three scenarios: Driving forwards Driving backwards Parking When you are driving forward the max value of a is 100. Lets say the speed is suddenly reduced to 50. The difference is 50. When you are driving backwards the max value for a is -100. The speed is again reduced by 50. The difference is -50. When you are parking the difference is of course 0, because it doesn't change. So i have two condition i want to check for: Am I driving backwards or forwards? Is there a speed difference? I can exclude the third check, parking, by checking values for a that are greater or smaller than 0. So, in one sentence: IF there is a speed difference AND the speed is GREATER THAN 0 OR IF there is a speed difference AND the speed is SMALLER THAN 0 then turn on the light (upper purple block at the end). But how to control PF lights with Powered UP??? That is covered for example by @kbalage here. The first purple code block on the left sets the port and the correct mode for the boost sensor. The two purple code blocks on the right side control the brightness of the PF lights. D is the port where the sensor is connected to, 3 is the channel 4 on the PF IR receiver, 5 is the red or blue port on the IR receiver, 7 switches the light to max brightness, 8 turns it off.
  8. Hi This weekend I could finsish the 8x4 dump truck project which I started somewhen in February. It is a simple 8x4 dump truck inspired by Scania G450XT. The functions are driving, steering, dumping and automatic tail gate locking. Everthing is controlled via Powered Up. I control the model with the brickcontroller2 app. For propulsion I used 2 x PU L motors and for steering and dumping one PU L Motor. I'm really happy with the PU system. For this moc it works great and the model is powerful. At the front axle I developed a new supension system. it is inspired by leave spring systems. However, there are no leave springs since I haven't found a proper solution for LEGO. Anyhow, the suspension works great. The model is built in scale 1:16.5 and fits to my telehandler and other mocs and Technic sets (42043)