This project demonstrates how to control three LEDs using three push buttons and an Arduino UNO in Tinkercad. Each button is connected with a pull-down resistor (10 kΩ) and controls one LED. Button 1 ...

This project uses an RFID module (RC522) to create an access control system with Arduino. The system checks RFID tags against a stored authorized UID and provides visual and audio feedback based on ...

Paul and David Bradt’s Ardiono Projects offers multiple ways to use Arduino and Raspberry Pi microcontrollers for your model railroading projects. Buy the book here. Code for Button/Blink Test (SN095) ...