Home › Evil Mad Scientist Forums › Clock Kits › Bulbdial Alarm Clock › Re: Bulbdial Alarm Clock
August 22, 2012 at 12:58 pm
#20879
Windell Oskay
Keymaster
Yes, see some hints about how to modify Arduino to work without a crystal here: http://arduino.cc/en/Tutorial/ArduinoToBreadboard
Generally however, I would recommend sticking with the crystal and putting the speaker elsewhere; you only need one output pin to do it.