Hi there, im begginer in Arduino and im making a Fake bomb project to my Airsoft Team, the problem i have is that with the Piezo the sound is too low, i tried to connect a 12v Siren to it but because the Arduino only sends 5v out the sound its about the same as the piezo, any ideas how can i give more power to the siren to use the full power of it, i leave here the code and the schema and the siren im using, thank u in advance.