Tiny wells guide nano-LEDs into place, helping turn millions of small light sources into sharper headset display pixels.

Water storage often presents challenges such as monitoring tank levels, preventing overflow, and reducing manual intervention to operate the pump. Two types of devices, known as water level indicators ...

This sound alternator is designed to simulate the effects of a police siren, combining sound and light to create a dynamic audio-visual experience. It uses an ESP32, a small speaker, and two red LEDs ...

In this short tutorial, we will show you how you can build yourself a transistor-driven color-changing RGB LED lights. The building process is simple and requires only a few transistors, capacitors ...

Proximity sensing is a common application for intruder alarms, light switches, and other home and industrial automation applications. There are multiple methods of proximity detection used in the ...

The pets need to be fed timely so that they could maintain good health. The pet owners aren’t available at the home 24/7, sometimes they go for business meetings to another city or someone else’s ...

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 ...