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 row of tiny LEDs covered with a flexible material. They operate on 3V and are super bright. This…
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 that you will put on top of the things to be sterilized. One of the side effects of…
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 optimum energy collection. The prototype is controlled by a local Arduino Uno board, along an H-bridge motor driver to…
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. Finally, we’ll go a bit further and build a wireless power floating light. More info
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 a 12V lamp off when you send an SMS to the Arduino with the text “OFF” you can…
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 alarm systems, everything can be centralized and planned. Recently, the classical control boxes have been replaced by smart…
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