electronic modules
QTR-8RC Reflectance Sensor Array | A Beginner’s Guide
Want your robot to “see” a line without using a camera or heavy image processing? ⚡🔌 QTR are go-to choice for line followers.
arduino
Fingerprint Sensor AS608 | A Beginner’s Guide
One touch can replace keys. This project uses an optical fingerprint sensor to enroll users and then grant access with a quick scan. When…
arduino
Thumb Joystick | A Beginner’s Guide
Ever wished your Arduino could “talk back” when you move a joystick? In this tutorial, you will build a clean direction viewer that prints…
arduino
Motor Drive (BTS7960 43A) | A Beginner’s Guide
Don’t wait until your full project is done to find out your BTS7960 43A motor driver has a problem. A fast bench test can…
programming
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…
esp32
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…
electronic modules
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…
arduino
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…
arduino
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…
arduino
Arduino Analog Multiplexer | A Begginner’s Guide
Running out of pins? Imagine reading 16 sensors with only one Arduino input. That’s what the HP4067 does:
arduino
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…
arduino
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…