How to

A collection of assembly guides, parts references and projects for the BitBeam construction set. Browse step-by-step build instructions, technical component overviews and seasonal projects. Click a tag to filter the list — multiple tags can be combined.

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Introducing a legend among robots — in pocket size. JOHNY 5 MINI is not just a pile of plastic and pins — it is a model inspired by the most famous robotic rebel ever to escape a laboratory. This little guy may not be able to read encyclopaedias in a second, but he will definitely liven up your desk.

MicroPython on ESP32-S3 Tutorial Electronics Programming

The ESP32-S3 Robotic Board can be programmed in several languages, but this guide focuses on Python. We will show you how to bring the board to life, flash MicroPython onto it, and try out the basics of working with hardware.

Operation Arrakis: Scout Trike Guide Electronics

Our scouts uncovered plans for a light reconnaissance vehicle that performs well both in the deserts of Arrakis and on the carpet in a child's room. BitBeam engineers adapted those plans for earthly conditions, creating a trike that is playful enough for beginning builders and capable enough for its first robotic missions.

Pinned Beams and Tiles Parts reference

The BitBeam system is all about versatility, but sometimes you just want things to stay together with as few parts as possible. That is why we have added a brand-new category to the BitBeam family: Pinned Components. As the name suggests, these are beams and tiles that have the connector (pin) integrated directly into their body.

You know that feeling when you're constantly squeezing something in your hand, clicking a pen, or playing with your keys? We have a solution that's much more stylish and, best of all – you have to build it yourself! The Infinity Cube is a mechanical puzzle that you can fold and unfold over and over again, and you'll never reach the end.

The ESP32-S3 Robotic Board is a compact and highly integrated development board designed specifically for ambitious robotics and automation projects. Thanks to the combination of the powerful ESP32-S3 chip and a complete set of peripherals, it eliminates the need for multiple expansion boards – everything for building a robot is integrated onto a board measuring 68 mm x 50 mm.

Introducing the Mechanical Gripper, a module designed as an ideal addition to projects such as a robotic arm, a mobile robot, or a tower crane. Like other BitBeam models, the gripper is designed to efficiently demonstrate fundamental mechanical principles.

The BitBeam building system offers flexible connection options, whether using 3D-printed pins or classic screws. For metric systems, these are M4 screws and smaller M3 (for special applications), and for regions with imperial units, the corresponding 8-32 and 4-40 variants. While these screws ensure high strength, working with nuts (metric or imperial) can be tedious and difficult in confined spaces.

Train MINI Guide Model

We present three building instructions for assembling a train consisting of a locomotive and two types of freight wagons. The entire set consists of 198 parts. As usual, we recommend printing the bricks from PLA and the pins and shafts from PET-G.

Gears Parts reference

Whether you need rotational transmission, torque transfer at 90°, or linear motion, gears will help you achieve it. The BitBeam construction set offers a wide range of gears. In this article, we will introduce them and showcase the available mechanisms provided by the set.

Small Tree Guide Model Seasonal

The small tree has many uses, it can serve as a decorative element near a road. It can be a useful decoration in a zoo, or part of a forest area. In this tutorial, we will show you how to build a simple spruce, fir, or other favorite conifer. The basic model consists of 9 parts: 8 beams and one longer pin.

Shafts, Wheels and Adapters Parts reference

The construction kit features a system of printable shafts. In addition to the shafts that are native to the kit, many different motors have their own shaft sizes – driveshafts that need either to be reduced or directly connected with pins. In this article, we describe the basic variants and how to work with them.

Racing Formula MINI Guide Model

We present to you a simple guide for assembling a basic racing formula. The model consists of 43 pieces, of which 26 are pins. We recommend printing the blocks from PLA, but the pins from PET-G.

Screws, Pins, Shafts Parts reference

Individual parts of the construction set are connected either by M4 screws or printed pins. Each option has its advantages and disadvantages. In this guide, we will describe both variants. We will also discuss printed shafts and how they differ from connecting pins.

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Licence: CC BY-NC-SA 4.0, © Ondřej Tůma 2025, Czech Republic.