Low voltage / low current sound generation

Aug 02, 2006 4 Replies

I'd like to add a low voltage (3 V) low current (


Farnell 500-2989 buzzer is rated for 1.3mA at 3V operation. Not the 0.5mA you are after, but not too far off either. You could try limiting the current in some fashion.

Dave :)

Or operate it at a 1/3 duty cycle (eg. 0.25 second on, 0.5 second off).

Best regards, Spehro Pefhany

"it\'s the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com

You could take a look at the Sonalert catalog:

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They can be a little pricey, but they're way easy to use - just give them volts, and they beep. :-)

Good Luck! Rich

Yes, there are some winners in there, thanks.

I also found a

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