You claimed for multiple voltages from the circuit! Why did you fail and disappoint the poor viewers. Bad manners. There is no voltage measurement. What is the purpose of not proving the voltage. Why is Zeher not used? Hope you will like to respond.

Nice

Good work😀

My Friend if I need output 9v how many turn pleas

Подписался ❤, я люблю испытывать на что способна батарейка

The music is annoying

Brother ismein aapane jyada 10 ya 12 se jyada volt ka light to Nahin chalaya😢😢😢

Y cuanto voltios es a la salida?,,no tiene ajustes

can you give the diagram of this circuit

two torroids ?

Bro. Your video is good, but never tested different output voltage.? All of us waiting for test. Thanks 4 sharing knowledge.

How about 12v to 20v

Can i replace any npn?

thanks

Fuel Thief again

Scam

⁴

Nice