// This is used to toggle on pin 11 ** pin 11 = 0 x 1 so COM(COM1A1) = 0 and is not in code
Timer1 PWM pins 9 and 10. Is there a reason not to use Tone library?
http://code.google.com/p/rogue-code/wiki/ToneLibraryDocumentation
Looks like it has same 1/8 Hz lower minimum freq. on 16-bit timer.