hello
i am trying to design a voltmeter in that i am not getting how i wil convert 230v ac from the auxillary supply to 5vac .throuh that i can power my controller with 5vdc .
i am trying to design a voltmeter in that i am not getting how i wil convert 230v ac from the auxillary supply to 5vac .throuh that i can power my controller with 5vdc .