This is your basic LED blinking program in plain old C++, including a basic timing loop. It also includes some optional lines in the setup() block to compare pinMode memory usage between C++, direct ...

Arduino Sketch Code /* * Arduino Camping Light * Camping Light with a single push button switch to control the light output between off, dim, medium, and high brightness * Test Configuration: MCU: ...

The current pinMode() implementation performs a digitalPinToPort(pin) and then checks the port for NOT_A_PORT but digitalPinToPort() is a program memory table read. It is possible to give an illega ...

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 ...