This project is built using PlatformIO. The code is structured to separate hardware interactions from the core logic, making it testable without actual Arduino hardware.
🔗 Overview 4 push buttons wired to digital pins with internal pull-up. 4 LEDs wired to digital pins with resistors. When you press a button, its corresponding LED lights up. 📐 Circuit Diagram Add ...
Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...