DIY Simple calling bell | 12v DC buzzer to 220v AC 

The thumbnail 😂

Which connection do we have to make with resistor and diode i.e. live goes where and neutral goes where?

Ye jaldi kharab to nahi hoga na

Last me kon sa component lagye ap jo button jaisa ha vo

Sir we can use this method in cpu fan

can't it connect 5v buzzer

👌

Bird buzzer is not working in this way

It should be re-titled "How to Electrocute Yourself". But you have to respect the audacity of this circuit.