Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — ...

For Arduino beginners like us, this is where you paste the code from other people's projects. When you send the code to the Arduino from your computer, the code is stored on the Arduino itself.

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 ...

This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level. It uses Arduino Duemilanove microcontroller board. Two wires placed in the soil pot ...

If you want to add a keypad to your Arduino project, the options are pretty limited. There’s that red and blue 4×4 membrane we’ve all seen in password-protected door lock projects,… ...