Learn more about Arduino UNO R4 WiFi's world, create stunning LED Matrix animations, and explore a universe of Arduino projects.

This project demonstrates how to connect and control an external LED using an Arduino Uno. It’s a simple and fundamental project that introduces the basics of digital output. In this project, an ...

Connect the longer leg (anode) of the LED to digital pin 7 of the Arduino Uno. Connect the shorter leg (cathode) of the LED to the ground (GND) of the Arduino Uno through a current-limiting resistor ...

In this project we use a popular JavaScript framework Node.js to control the LED connected to Arduino Uno. We will also use Node.js to control the brightness of LED from a webpage using Arduino.

In this project we are going to learn about RGB LED and interface a single RGB LED with Arduino Uno.

If you want to develop a program on Arduino with Raspberry Pi, then this tutorial has all the steps you need to take for it, in detail.