This project utilizes an Arduino Uno, a sound sensor, and a Bluetooth module (HC-5) to create an interactive LED matrix display. The project can be controlled via a mobile application, allowing you to ...

Perhaps one of the most common modules in an Arduino starter kit, the RGB LED lets you create all sorts of colors with just four pins from the Arduino. This tutorial demonstrates two ways to use this ...

The real-life closeup image of a WS2812B LED is given below. You can see that the WS2812B die is connected to 3 individual LEDs namely Red, Green and Blue using gold wires. The video below shows the ...

A simple color picker for controlling the RGB LED on ESP32 boards. Tested on the Arduino Nano ESP32, this project lets you pick a color from a web interface and display it on the onboard or external ...

A Tech Enthusiast has shared his new open-source project, the 9x9x9 LED Cube, which takes 3D visualization to the next level with its modular design and interactive features. This cube consists of 729 ...

Discover the ultimate IoT powerhouse—Arduino Nano ESP32! Unleash creativity with C/C++ in Arduino IDE, or embrace MicroPython's simplicity. Wi-Fi, Bluetooth 5 LE, 16 MB Flash, LEDs, all in a compact ...

CNXSoft: This getting started guide was initially posted in Thai language by Suthinee Kerdkaew, and I’ve just translated her work into English with some minor edits. As discussed in an earlier article ...

Among quantitative analysis techniques, molecular absorption methods in the ultraviolet/visible region are the most commonly employed in chemical laboratories worldwide. In general, the absorbance ...