At a glance 9.5 /10 Pros Great print quality Impressive print speeds Fully automated bed leveling Big print volume Enclosed (ABS and ASA printing is a breeze) User-friendly design with great touch display Cons Hard to reach spool holder Fairly loud (when printing PLA, with top cover removed) The Creality K1 Max is an impressive 3D printer which provides great print quality at high speed and it’s packed full of features you wouldn’t even though about just few years ago. It has a LiDAR and a camera, and uses a form of AI to prevent failed prints and assist with bed levelin ..read more

In this tutorial we will learn how to make a linear servo actuator. Unlike regular linear actuators that move in a particular direction when a voltage is applied, this custom-built linear servo actuator provides precise and repeatable movements that can be easily controlled. It’s called a servo actuator because it features a feedback loop system through which we can control the actuator output motion accurately. You can watch the following video or read the written tutorial below. Overview The input for controlling this linear servo actuator can be either analog or digital. In the case of an ..read more

Review Summary Creality’s Ender 3 series has been a popular choice for entry-level 3D printer for a long time. Now with its latest iteration, the Ender 3 V3 SE, step ups the game to the next level by bringing so many features in a sleek and compact design, great printing quality and increased speeds. Pros Great print quality Increased print speeds Excellent Automatic bed leveling Direct drive extruder Easy interface Sleek and compact design Amazing value Cons Slow heating No filament runout sensor The best part is that all of this comes at an unbeatable price of just under $2 ..read more

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In this tutorial we will learn how to turn any DC motor into a stand-alone custom servo motor with a lot of features. Unlike regular servos that have limited motion of 180 or 270 degrees, this one has unlimited range of 360 degrees and in addition to that we have the ability to adjust the range of the rotation to whatever value we need. That’s quite handy I think, and on top of that, we can even adjust the center point of the servo. So, we can adjust both the center point and the range of rotation at the same time. You can watch the following video or read the written tutorial below. Another ..read more

In this tutorial we will learn what is a planetary gear set and how it works, as well as explain how to design our own planetary gearbox and 3D print it so we can see it in real life and better understand how it works. At the end of the video, we will also do some backlash and torque tests to see how well it can perform being a 3D printed gearbox. You can watch the following video or read the written tutorial below. A planetary gear set is a unique type of gearing system which provides high torque and high efficiency in a compact design. Because of these three key features, planetary gearboxe ..read more

Nowadays, we can easily get a really good oscilloscope with plenty of features without spending a fortune. In this article we will take a look at several entry level, inexpensive oscilloscopes and we will try to find the best oscilloscope suitable for electronics beginner or hobbyist. How to Choose an Oscilloscope? When choosing an oscilloscope there are many different parameters and specifications to consider. Here’s a list of some of the most important factors through which you can understand what would be the best oscilloscope for you. Bandwidth – Bandwidth is often considered to be the si ..read more

In tutorial I will show you how I built a super cool radio controlled tracked vehicle, or a robot platform or a tank, you name it. I designed this thing from scratch to be fully 3D printable so you can easily print everything and build one on your own. You can watch the following video or read the written tutorial below. Overview My goal for this project was to make a versatile platform that can traverse many types of terrains and can be used for various applications. The best bet for that was to use a continuous tracks system. The tracks distribute the weight of the vehicle on a larger surfa ..read more

In this article we will find out what’s better, a 3D printed harmonic drive or a 3D printed cycloidal drive. Here I have these two gearboxes that I made which have the same size and reduction ration of 25:1. I will compare them in several categories, measure their efficiency or torque output, measure their accuracy or backlash, and see how durable they are. You can watch the following video or read the written tutorial below. I will explain how I designed and assembled both of them, and I will give you some useful tips and tricks for 3D printing them, show you what can go wrong and what can w ..read more

In this tutorial we will learn what is brushless DC motor or BLDC and how does it work. We will also cover how an Electronic Speed Controller or ESC work, an electronic circuit used for controlling brushless motors. This is a two-part article, where in this first part we will learn the working principle of a brushless DC motor and ESC (Electronic Speed Controller), and in the second part we will learn how to control BLDC motor using Arduino. You can watch the following video or read the written tutorial below. What is Brushless DC Motor? A brushless DC motor or BLDC is an electric motor power ..read more