🔐 Arduino Keypad Door Lock System A simple and effective security system using Arduino Uno, a 4x4 matrix keypad, and a relay-controlled electric lock. This project allows you to unlock a door using a ...

At its heart is an Arduino UNO, which syncs the RGB LED ‘bubbles’ and a servo-driven aiming arm to the game’s real-time data.

Contents presented in the Microcontrollers Laboratory Course; Microcontrollers used: Arduino UNO R3 & DOIT ESP32 DEVKIT V1 - CSE Department, Shiraz University, Spring 2025.

As global population continues to rise, several challenges among which are climate variation, soil degradation and water scarcity continue to impact agricultural productivity. These challenges bring ...

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Learn how to interface ESP32 thermal printer with complete tutorial. Includes PNP-500 wiring, Arduino code, circuit diagrams, and projects for receipt printing, barcodes, and QR codes. Perfect for ...

A growing collection of photography articles to help you become a better photographer, includes interviews with photographers, photography events, software guides, hot products, consumer advice ...