Trying to find a really loud alarm like a smoke detector.

Other Hardware Audio
1

Does anyone know where I can find a really loud alarm like on a smoke detector to run with my Arduino? Thank you!

2

http://www.ebay.com/itm/SLIM-Wired-For-Home-Security-Alarm-System-Mini-Siren-horn-loudspeaker-120dB-CB-/321735548000?hash=item4ae8eedc60

3

Would I just happen to cut off the headphone jack and wire it up like a piezo buzzer?

4

yes... then use a transistor (prefer a MOSFET) as switch for 12V

buzzer.png

5

knut_ny:
yes... then use a transistor (prefer a MOSFET) as switch for 12V

Thanks, dude!

6

This one with 10 watts amplifilier and adjustale sound volume looks good. Have a check.

http://www.aliexpress.com/item/MP3-Horn-Alarm-MP3-Player-Siren-4-Triggers-MP3-Alarm-Speaker/32349009282.html?spm=2114.01020208.3.66.eOTwRe&ws_ab_test=searchweb201556_9,searchweb201527_1_71_72_73_74_75,searchweb201560_1