ZUNO_SETUP_SYSTIMER_HANDLER()

Defines a 10 ms timer for easier async handling of buttons, LEDs and encoders. ZUNO_SETUP_SYSTIMER_HANDLER(sys_timer) sys_timer function fired every 10 ms void sys_timer() { ... }
        ZUNO_SETUP_SYSTIMER_HANDLER(sys_timer);

void sys_timer(){
        digitalToggle(13);
}