* Change F_INTERRUPTS if you change the number of interrupts per second,\r
* Normally, F_INTERRUPTS should be in the range from 10000 to 15000, typical is 15000\r
* A value above 15000 costs additional program space, absolute maximum value is 20000.\r
* Change F_INTERRUPTS if you change the number of interrupts per second,\r
* Normally, F_INTERRUPTS should be in the range from 10000 to 15000, typical is 15000\r
* A value above 15000 costs additional program space, absolute maximum value is 20000.\r