Code for basic training in Radio Orienteering sport, Fox hunting, for ARDUINO UNO transmitting basic morse MOE, MOI, MOS, MOH, MO5. with 2 exits: Pin 3 speaker with 1000 Hz tone and Pin 2 relay output for TX keying.
Every fox is sent 15 times, after that the code moves to the next fox. At the end is a 5 seconds pause then the cycle start again.
The dotDuration can be adjusted to change the speed.