Thread: bells, buzzers, and whistles
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Unread 23-12-2010, 01:36
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Re: bells, buzzers, and whistles
Thanks!
It says 300-500hz, so I'm guessing it includes a switcher.
Apparently the digital module can put out 64mA, but I think I'll use a small transistor to amplify it. 6V*20mA = 120mW. A 2N2222 should do fine, but I hope the buzzer will run on 5V.
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