programming
RFID Card as ID Card | Project Insight
An RFID card can be used as a smart ID card for school attendance and access monitoring. Instead of using a normal ID only…
arduino
HC-SR04 Ultrasonic Sensor | A Beginner’s Guide
Need a simple way to make your Arduino “sense” if something is in front of it? The HC-SR04 Ultrasonic Sensor is a beginner-friendly module…
esp32
ACEBOTT ESP32 Smart Car Starter Kit | A Beginner’s Guide
Want to build a robot car without guessing which parts work together? The ACEBOTT ESP32 Smart Car Starter Kit gives beginners a ready path…
arduino
PCA9685 16Ch Servo Driver | A Beginner’s Guide
Ever tried moving several servos and the motion turns shaky or uneven? The PCA9685 16Ch Servo Driver helps by generating clean servo pulses on…
arduino
Sensor Shield V5.0 | A Beginner’s Guide
Ever wanted to plug in servos like LEGO - no messy jumper wire jungle? The Sensor Shield V5.0 makes that happen by giving you…
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? The QTR-8RC Reflectance Sensor Array gives you eight reflectance…
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…