There are many projects and tutorials related to recycle old CD/DVD players into a mini CNC Plotter based on Arduino.

MELODY is a digital-physical device that enables the creation of collaborative short musical jams.

Aperture MC Mini is a really tiny, portable and useful piece of RGB light that can be really handy during filming/photography or product shoots, but it costs more than my budget could permit, so here I will show you how I made the light and it is soo awesome and cool!

I decided to make a wireless soldering iron. Will it work? It will!

In this tutorial I am showing how I made a Book with secret knock lock

This little device pulls your local UV index from EPA and display the UV level in 5 different colors and also displays details on the OLED.

The goal of this instructable is to create a simple lockable box that can be opened by solving a puzzle.

This contactless door unlocker automatically unlocks and opens your door once it senses your hand.

Rising the front wheel when training indoor, can help simulate your position on the bike as you ride uphill, which can aid in activating those muscles used when the trainer resistance is increased during climbing. 

In this project I will be showing you how I created a motorized window opener for my greenhouse.

ESP32 can be used as an independent system to run applications, just plug in the cable, power the device, and program it.

In this Instructable, we’re going to make a basic Arduino-powered spectrophotometer, using a little prism to create and use our own rainbow.

In this project, I will be walking you through the process of creating a lamp with the Arduino nano and an LED strip.

In this Instructable, I will be taking you through the steps of how to use and manage your LED strips by building a control interface.

Tired of measuring distances with rulers, meters and other boring stuff? Here the solution that cool Heroes use!

How to make a simple and high quality 3D printable CNC drawing machine to draw on (almost) anything.

In this Instructable, I’m going to be showing you how to build your own hanging gear weather station, which is made from CNC laser-cut MDF parts.

The board executes micro-Max source code, allowing you to run chess logic on an Arduino Mega and execute the proper moves with a 6DOF mechanical arm.

This robot is completely guided everywhere by whistle, much like the “Golden Sonic Toy” made in 1957.

In this tutorial, I am going to show you how to build a 5*5 RGB LEDMATRIX USING NEOPIXEL.