How to make Arduino Line Follower Robot A line follower robot, as the name suggests, is an automated guided vehicle, which follows...

Sometimes you need to do two things at once. For example you might want to blink an LED while reading a button press. In this case, you ca...

Pushbuttons frequently generate spurious open/near transitions while pressed, due to mechanical and physical issues: these transitions may...

Digital Input Pullup Serial This case demonstrates the use of INPUT_PULLUP with pinMode(). It monitors the nation of a transfer by organi...

Pushbuttons or switches connect two points in a circuit when you press them. This example turns on the built-in LED on pin 13 when you pr...