This is a where a Power Mosfet comes in. With the help of the Power Mosfet, we can use the low voltage output from the Arduino ports to control high voltage/current loads -the popular “12V LED strips” ...

To the human eye, it looks like multiple LED’s are lit up simultaneously. [Alex] planned to use an Arduino to control this display, but it doesn’t have enough outputs on its own to control all ...

[Dario] agrees: he has written a tutorial on building an Arduino-controlled RGB light system that plugs into a standard light socket. [Dario] is using a bulb from Automethion in Italy ...

Using motion detectors and an Arduino you can trigger lights, fans, or even an pneumatically controlled cleaver-wielding ... flash the on-board LED in front of digital pin 13.