simple Siren circuit test

testing the simple siren circuit with 1.5 v and then 12 v

[@grhinson]

That was really good...I like that one...

[@superprocz]

Wooow that's soo cool! Could it unplug the circuit, when it reaches a certain voltage automatically? And then plug it in again, when it drops down?

[@Science-Vlog]

to do that need to add the blinking led circuit to it, which makes it more complicated