In this article I will add some simple Arduino LED projects starting with basic ones like how to turn on an LED, blinking, and more. Every step will have the code, the schematic, photos of the project ...

The simple audio mixer circuit is built on common base principle, where input voltages are transformed in alternative currents wich are summed to form the alternative current component for the ...

The rest of the circuit is nothing more than LEDs, resistors, and diodes. This is a great example of how a few simple components can come together to do something significant.

Making simple PVC piston can be good starting point to understanding the projects you're about to create. YouTuber NightHawkInLight has a great method for making a simple piston out of PVC pipe ...