how to make fly back transformer

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[Homosapien_]

This is a step up transformer right??
Output voltage is greater than input voltage and output current is lesser than input current..

[Unknown-mnui]

Use transistor or a mosfet to drive that thing, so you it can produce stable output.

[EmoBoiLink]

So you need 2 different coils for the input? And is there a way to boost DC this way?

[Raj-gydu]

Isme manet hai kya ya phir iron jo rectangle shape me hai

[Bharatbhushan_]

But from where you get that core for transformer