Work #5: SISO DIGITAL SYSTEMS (The Counter) Write the routine (using Arduino instructions) for a system that: Counts the number of times a pushbutton is closed. Decrements the accumulated value each...

Work #5: SISO DIGITAL SYSTEMS

1. (The Counter)

Write the routine (using Arduino instructions) for a system that: Counts the number of times a pushbutton is closed. Decrements the accumulated value each time a second pushbutton is closed. Turns ON an LED when the accumulated value of the counter is equal or greater than 20.