In your setup function, you need to instantiate your timer, like this:
static Timer timer;
void setup()
{
timer = new Timer(); <<<--- here
pinMode(13, OUTPUT);
}
void loop()
{
}
In your setup function, you need to instantiate your timer, like this:
static Timer timer;
void setup()
{
timer = new Timer(); <<<--- here
pinMode(13, OUTPUT);
}
void loop()
{
}