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 with Arduino Nano, OLED display, and MP3 module – automatic music player with timed on-screen lyrics.

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 na may ultrasonic sensor at LED alert — 3D-printed handle by Circuitrocks

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.

Touch-o-Lantern: 3D-printed pumpkin prop with capacitive touch, Arduino-controlled LED + sound — Circuitrocks

Touch-o-Lantern | Arduino Halloween Project Idea

One tap. A red flash. A creepy laugh. 🎃🔊 If you want a prop that makes guests jump—and then lean in for more—meet Touch o Lantern.

Arduino MP3 Player project using DFPlayer Mini and speaker module — Circuitrocks

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 Mini Rain Car Wiper | Arduino Project Tutorial

Interested in a tiny build that moves the moment a raindrop lands? 🌧️🚗 This 3D Mini Rain Car Wiper…

Smart Laundry Bot | Arduino Project Idea

Caught off-guard by sudden rain? 🌧️🏠 Build a Smart Laundry Bot that senses raindrops and automatically pulls your clothesline to safety—no more panic sprints to the backyard.

Automatic 3D Medicine Dispenser | Arduino Project Idea

Missed a dose because time slipped by? 💊⏰ This Automatic 3D Medicine Dispenser remembers for you and guides you with light, sound, and a clear LCD. It turns daily dosing into a calm, repeatable routine.

Automatic Wash Dispenser | Arduino Project Tutorial

Wave, dispense, done. In this Automatic Wash Dispenser, your hand becomes the button: an IR sensor detects motion and a servo presses the pump for a clean, measured shot of soap. 💦🧼