Hi PICers! Can anyone recommend the ideal duration for a buzzer/sounder to indicate a key press? I am using a 4.194304 MHz crystal which gives me a 4096 Hz frequency easily enough, but what is the optimum length of time that the buzeer should sound for - any ideas? Regards, Sean -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu