have seen Julian's YouTube Video ( https://youtu.be/U7I0GkwW1yE ) on Arduino Microcontrollers i was c... osciloscope how
* fast switching by C code can be achieved.
*
* Using an Arduino Uno at 16Mhz wi... 97.5 KHz
* at a perfect 50% duty cicle has been achieved
* while the interupts where disab... ency of 2.66MHz at
* ca 66.8% duty cicle has been achieved. Even while Interrupts enabled.
*