I’m Lee. I Build Cool Stuff with Arduino, 3D Printing and Curiosity.
LATEST POSTS
How to Build 6 DOF Robot Arm from the DFRobot Kit
1. Introduction Robotic arms are no longer confined to large industrial environments — they’ve made their way into classrooms, maker spaces, and home labs around the world. These robot arms have been transforming modern manufacturing for decades, helping to assemble…
3D Printed RC Car using GT2 Belt
Hello there, these are all the components you need to prepare before building this RC car. Hardware Components : For 3D printing parts, you can download them from Cults3D. Electronics Components: This post may contain affiliate links. If you purchase…
How to Make an LED Fade Using Arduino
So you’ve already blinked some LEDs like a pro? Nice. But what if we want the LED to fade in and out — like it’s breathing, like it’s alive, like… your ambition every Monday morning? Let’s make your Arduino control…
How to Blink Multiple LEDs with Arduino (Beginner-Friendly Guide)
Have you just learned how to blink one LED with Arduino and you’re thinking… “Okay cool, now what?” Well, how about we blink multiple LEDs like a pro? In this post, I’ll show you how to connect and blink 3…
Blink Without Delay – Smarter LED Control with Arduino
So you’ve mastered the basic LED blink using delay(). Feels good, right? But here’s the thing: delay() is kind of a beginner trap. It stops everything while it waits — like freezing your whole code just to blink a light.…
Understanding Filament Diameter: 1.75mm vs 2.85mm
When it comes to 3D printing, filament diameter might seem like a small detail — but it plays a big role in print quality, extrusion performance, and even hardware compatibility. Choosing the right diameter can affect everything from layer resolution…
ARDUINO PROJECTS
1. Introduction Robotic arms are no longer confined to large industrial environments — they’ve made their way into classrooms, maker spaces, and home…
How to Build a Temperature-Based LED Bar with TMP36 and Arduino In this project, we’ll use a TMP36 temperature sensor and an Arduino…
Have you ever wanted to move something smoothly with your hand and see it come to life using a servo motor? Whether you’re…
Infrared (IR) remote controls are everywhere these days — you’ve probably used them to control your TV, speaker system, air conditioner, fan, or…
Signals form the basis of communication in electronic systems, allowing devices to transmit and process information. Broadly, signals can be classified into two…
Digital signals are binary — they can only be either 0 or 1. Analog signals, however, have a continuous range of values and…
Tools
How to Build 6 DOF Robot Arm from the DFRobot Kit
1. Introduction Robotic arms are no longer confined to large industrial environments — they’ve made their way into classrooms, maker spaces, and home labs around the world. These robot arms have been transforming modern manufacturing for decades, helping to assemble…
3D Printed RC Car using GT2 Belt
Hello there, these are all the components you need to prepare before building this RC car. Hardware Components : For 3D printing parts, you can download them from Cults3D. Electronics Components: This post may contain affiliate links. If you purchase…
How to Make an LED Fade Using Arduino
So you’ve already blinked some LEDs like a pro? Nice. But what if we want the LED to fade in and out — like it’s breathing, like it’s alive, like… your ambition every Monday morning? Let’s make your Arduino control…
How to Blink Multiple LEDs with Arduino (Beginner-Friendly Guide)
Have you just learned how to blink one LED with Arduino and you’re thinking… “Okay cool, now what?” Well, how about we blink multiple LEDs like a pro? In this post, I’ll show you how to connect and blink 3…
Blink Without Delay – Smarter LED Control with Arduino
So you’ve mastered the basic LED blink using delay(). Feels good, right? But here’s the thing: delay() is kind of a beginner trap. It stops everything while it waits — like freezing your whole code just to blink a light.…
Understanding Filament Diameter: 1.75mm vs 2.85mm
When it comes to 3D printing, filament diameter might seem like a small detail — but it plays a big role in print quality, extrusion performance, and even hardware compatibility. Choosing the right diameter can affect everything from layer resolution…