Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...

number 2 is 00000010 so only the second led from the right will be on. Now lets see the schematic and how I’ve connected the 8 leds + resistors and 1 button + pull-up resistor to the Arduino Board ...

When the Arduino code sees the button getting pressed, it brings the corresponding LED pin high and starts a fade out timer using the SoftPWM library by [Brett Hagman]. It’s worth noting that ...

There was a point in time, excruciatingly brief, in which desktop computers often had a large “TURBO” button on their ... the state of the Turbo LED with an Arduino Pro Mini.