For the prototype build, you don’t have to purchase ... The input circuit is a simple keypad matrix. To read each button push, the Arduino brings one keypad input line high and checks the ...

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 ...

[Lars] shows you how to get a perfect score on the first four levels of BIT.TRIP RUNNER by using an Arduino to time and send button presses. This is a pretty simple game that uses a couple of ...

The Arduino is a cheap, fun way to get into building your own electronics ... Not just a proof-of-concept light that turns on when you press a button. It’s friggin’ cool: Chances are, if ...