Concept Tutorials
Learn the fundamentals of electronics, communications, and programming to get you ahead in the field of embedded development. In this category, you will learn the theory behind our electronic modules to the very last detail. You can order the tutorial materials with a single button on the sidebar. Keep it rocking!
Raspberry Pi Pico (RP2040) | A Beginner’s Guide
If you’re coming from Arduino Uno, the Raspberry Pi Pico can feel confusing at first—especially when it doesn’t immediately show a COM port. ✨🧐 Sometimes it appears as a USB drive or a UF2 board, and beginners assume something is broken.
External LED via Wi-Fi | ESP32 Mini Guide
Tap a button on your phone and watch an LED light up across the room. 🔴📶 This External LED via Wi-Fi turns an ESP32 into a tiny web server that hosts a page with ON/OFF buttons.
3D Mini Water Dispenser | Circuit Easy Build
Bring the faucet to your desk. If the shared dispenser is a walk away, this pocket-size 3D Mini Water Dispenser puts a spout right beside your cup. 🥛 💧✨ Press the button and water flows; release and it stops—simple, fast, and tidy.
Arduino LED Matrix | A Beginner’s Guide
Press power, watch color happen. This beginner-friendly project drives a 64-pixel (8×8) NeoPixel matrix from an Arduino and paints it with a smooth, rotating rainbow. 🌈🚥
3D DIY Soundbox | Arduino Project Idea
Boot. Play. Sing. As soon as you power on, the 3D DIY Soundbox. There is no phone, no pairing, and no app—just instant music with on-device lyrics. . 💾♪♫𝄞
Arduino Analog Multiplexer | A Begginer’s Guide
Running out of pins? Imagine reading 16 sensors with only one Arduino input. That’s what the HP4067 does: ⚙️⚡
3D Smart Cane | Arduino Project Idea
One step from a collision? Not today. 👨🦯😎 The 3D SMART CANE “sees” ahead and warns you before the tip hits anything. A quick beep and bright LEDs cue you to steer clear, so walking stays calm and confident.
Tutorial of MP3-TF-16P | DFPlayer Mini Guide
Want a tiny MP3 Player prop that plays your own sound, like “The Fate of Ophelia”? 🎧 Need a simple build for a 3D-printed pumpkin or display? Wondering if a small speaker can work without a big amp, and if a single tap can start the audio?
3D Two-way Switch | Circuit Staircase Easy Build
Have you ever wondered how lights on a staircase can be switched on or off from both ends? 💡 That’s the idea behind a two-way switch circuit!
DIY 3D LED Flashlight | Easy Build with White LEDs
Looking for a compact light you can actually build and maintain yourself? 🔦This DIY 3D LED Flashlight delivers a bright, pocket-friendly beam using nine 5 mm white LEDs in a simple, beginner-safe circuit.