I just bought this... http://www.sparkfun.com/datasheets/Components/CEM-1203.pdf ... I am feeding it 12v's with a 470ohm resistor. It makes a tiny beeping noise when it switches to either high or low, but when it's on high it doesn't make a noise. What am I doing wrong? (when it does sound when switc…

Piezo Buzzer

system January 6, 2009, 12:05am 2

Can you give us the code?

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