/*
     _      _
    | |    | |
____| |____| |_______________
*/

void setup() {
  heartbeat(2, 50, 200, 1000) // two pulses, width 50ms, 50% duty, 1s prf
}

void loop() {
}

heartbeat(int pulsecount, int pulsewidth, int pulsespaceduty, int pulsefreq) {
  
}