Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi.

Arduino is a household name simply for that reason. If Massimo Banzi hadn’t been behind the wheel, it’s unlikely that you’d be complaining about how many Wiring-based projects we feature.

This is a wiring diagram that [Soranne] put together when developing a method of programming PIC microcontrollers using an Arduino board. You can see that he takes care of the 12V issue by connecti… ...

(basic wiring, pinout, and output signal) Adding Arduino to your rotary encoder Now that your rotary encoder hardware is up and running it’s time to tell your Arduino what to do with the encoder ...

Arduino Auto-Fill Valve Typical Installation Carefully position the water sensor, make good interconnections, connect up the power source and double check all connections. After the tryout, just make ...