extern crate rust_gpiozero;
use rust_gpiozero::*;
use std::thread::sleep;
use std::time::Duration;

fn main() {
    // Tell the Pi which GPIO pin you are using
    let led = LED::new(18);

    loop {
        // Make the led switch on
        led.on();

        // Let the LED stay on for one second
        sleep(Duration::from_secs(1));

        // Make the led switch off
        led.off();

        // Let the LED stay off for one second
        sleep(Duration::from_secs(1));
    }
}