The RGB LED module lets you make all sorts of colors with just four pins from the Arduino. Learn how to do it here!

In this Arduino HM10 BLE tutorial, we will interface HM-10 BLE Module with Arduino Uno to control an LED wirelessly using Bluetooth protocol. The On/Off commands will be sent by Smartphone.

8x8 LED Matrix modules are now widely available, and fortunately they are easy to use with our favorite Arduino microcontroller. 8x8 LED Matrix module ...

Animate multiple 24 VDC LED garlands with flashing and variable brightness (13 different parameters) with one Arduino Nano multi-tasking with FreeRTOS.

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

LedControl is an Arduino library for MAX7219 and MAX7221 Led display drivers. The code also works with the Teensy (3.1) Modified by Jack Zimmermann for supporting hardware SPI using the predefined ...

Recently, we published an entry-level Arduino project with a single seven-segment LED display. Although it’s an amazing DIY project, we noted that most of the readers are looking for more advanced ...

Today we will interface HC-05 Bluetooth Module with popular Wi-Fi module ESP8266 and control an LED wirelessly by sending commands via Bluetooth. This LED can be replaced by a Relay and an AC ...