Play a 4 second MP3-Sound and create a door bell with an Arduino.

All You need is an Arduino e.g. Uno, a Speaker, a capacitor and a push button and the right arduino scetches :-)

Yust download ""

Simply connect them and download one of the 7 files: 









Wish a lot of fun

Michael J.


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Gbeamer 4 years ago

Can you tell me how to add a 12v trigger output so I can use this on an amplifier, 12v trigger is to pause music play on the source from the amp.