dual screen tapper programming/code assistance?

You can also do it like this as described in post #4. You still have to answer the question about the spaces between the pulses. I've assumed a 50% duty cycle below.

#include <TimerOne.h>   // you may have to install this

int touch1 = 13;
int touch2 = 11;

unsigned long touch1_MARK_ms = 63 ;  // tune these parameters to suit your application
unsigned long touch1_SPACE_ms = 63 ;
unsigned long touch2_MARK_ms = 16 ;
unsigned long touch2_SPACE_ms = 16 ;

void Timer_ISR() {
   // called every 1ms
   static unsigned int touch1_counter = 0 ;
   static unsigned int touch2_counter = 0 ;

   // touch1
   if( touch1_counter == 0 )  digitalWrite(touch1, HIGH );
   else if ( touch1_counter == touch1_MARK_ms )  digitalWrite(touch1, LOW );
   touch1_counter ++ ;
   if ( touch1_counter == touch1_MARK_ms + touch1_SPACE_ms ) touch1_counter = 0 ;

   // touch2
   if( touch2_counter == 0 )  digitalWrite(touch2, HIGH );
   else if ( touch2_counter == touch2_MARK_ms )  digitalWrite(touch2, LOW );
   touch2_counter ++ ;
   if ( touch2_counter == touch2_MARK_ms + touch2_SPACE_ms ) touch2_counter = 0 ;
  
}


void setup() {
  pinMode(touch1, OUTPUT);
  pinMode(touch2, OUTPUT);

  Timer1.initialize(1000);         // initialize timer1 1000 uS period
  Timer1.attachInterrupt(Timer_ISR);  // attaches Timer_ISR() as a timer overflow interrupt
}


void loop() { }