LEDs come in many different shapes and sizes. You may have already seen them in those “fake” Edison light bulbs that use an LED filament instead of actual wire filaments. Inside the filament, there is a...

  Given the attack we are subjected to due to CoronaVirus (Covid-19), we have decided to sterilize whatever enters in the house, fruit, newspapers, books, etc, using ultra violet UV-C rays. Caution: UV-C rays are dangerous for skin and eyes so, close everything in a container...

Researchers in Thailand have developed a ZigBee-based wireless monitoring solution for off-grid PV installations capable of tracking the sun across the sky, tilting the panel hourly. The elevation for the setup is adjusted manually once per month for...

  In this tutorial we’ll build a basic magnetic levitator. This guide will go over some of the theory, how to use a magnetic field sensor, and how to use one to build a basic levitation circuit....

This project uses the SIM900 GSM shield to receive and send SMS with the Arduino. This projects aims to: turn a 12V lamp on when you send an SMS to the Arduino with the text “ON” turn...

  Let’s create a multi-function LED lamp, always connected via wireless, thanks to Arietta G25.   Since several years already, it is possible to find systems for home automation: irrigation, doors and windows, lighting, air conditioning and...