Cant figure out what Im doing wrong here

Projects Programming

Topic		Replies	Views	Activity
Should I outsource my counting to something external? Micros is too slow. General Guidance	56	14921	May 5, 2021
Interrupt Juggling for my Chornograph Programming	21	5623	May 5, 2021
Simultaneous use of timer and input pin interrupts Programming	7	5080	May 5, 2021
velocity measuring chronograph Syntax & Programs	14	12245	May 6, 2021
any timer/interrupt experts? Syntax & Programs	3	1705	May 6, 2021