Did you know that you can use Arduino to turn on an LED ... if is pressed digitalWrite(LED, HIGH); //write 1 or HIGH to led pin } } Turning the LED on and off with each press of the button In this ...

Here is a simple Arduino Camping Light project. In this design, only one push button switch is used to control the light output (from a bunch of white LEDs) between off, dim, medium, and full ...

Let it hit your red LED and you’ve lost a point ... Inside the cool laser-cut box is an Arduino Uno and a 9V battery, plus a current-limiting resistor and the all-important buzzer.

Whichever platform takes your fancy the end result is an LED ... Arduino UNO but also the potential of low-cost DIY electronics in creating useful tools. Jump over to GitHub to download the source ...