It uses a single button and stores the tapped code as a C string for comparison/printing. This library is mostly an enabling one for other projects such as the LARP hackable RFID lock prop, it's a ...

You can read the state of a button using Arduino and a few lines of code. The actual state is shown in the Serial Monitor window as 0 or 1, 0 meaning the button is not pressed and 1 that the button is ...

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 ...

Sometimes, coding on the Arduino ... while converting it into machine code. Meanwhile, the arrow icon lets you build your current code and then upload it straight to your board (assuming that it’s ...

Inside the forever loop, we have the main chunk of the code. The idea here is to send whatever ... Press and hold the button on the HC05. Now plug in the Arduino power cable while still holding the ...