Arduino code /* sketch 1 turn on ... If you want to turn on the LED then let it remain ON at the button release you just need to get rid of the else statement (as you can see in sketch 2, ... 9 ...

There is an example of a programme that differentiates between long and short push-button pushes on the Arduino.cc website, but I was not taken it. However their was an example I did like the look of, ...