Automatic Pet Feeder

I am going to teach you how to properly set up an Arduino for this configuration and explain some basic programming. I am also going to explain to people how to build the system in a few simple steps. Read more »

Security Box

This is a very simple box design using a small box (a shoe box or smaller works) with a simple lock mechanism to represent the opening of the box. When you get the code right, a green LED lights up and the servo moves, unlocking the box (or at least... Read more »

LED Sound Meter

In this guide you will learn to created an array of LEDs that visually represent the volume picked up by an electret microphone. You will learn how to wire 3 different circuits which are the LED array (which is really many individual circuits), the microphone, and a button which can be used... Read more »

Musical Glove

This tutorial will give you step-by-step instructions to make your own musical glove that will produce a different note for each finger pushed. Read more »