int option = 0; //this is to know witch button was touched int count = 0; //this is to know how much time the output will be working pinMode(2,INPUT);//this button stop the process ...

For waking up Arduino from sleep mode, a reset button can be pressed, or an Arduino interrupt can be programmed. During sleep modes, the power consumption of Arduino boards is reduced to a few ...

* This example demonstrates how to use an interrupt to read a single button press from a PCF8575. * When the button is pressed, it triggers an interrupt, and the microcontroller reads the specific pin ...