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 are going to learn about RGB LED and interface a single RGB LED with Arduino Uno.

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...

I made this Arduino 8 bit binary led counter as a solution for one member from Arduino forum. He asked if somebody can make a project that displays a decimal number in 8 bit binary format using 8 leds ...