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 ...

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, ...

The code will take input from pin 8 as the clock signal and pin 9 as the push button. It will transmit data through pins A4 and A5 into and OLED which will spell out what you are putting in in morse ...