float C1 = 0; //Aquí guardaremos la capacidad medida. volatile int led_pin = 12; //terminal al que conectamos un led que encenderemos lo que dure el pulso de entrada. volatile long t_inicio = 0; ...

Also called free running or self-triggering mode does not have any stable state and it has 2 quasi stable state (HIGH and LOW). You will then be brought to the dashboard, click into circuit and create ...