Convert any fixed voltage adapter to variable voltage output (3.6v - 20v)

[@benjaminbrower540]

Very nice of you to share your knowledge and make these videos. Thank you

[@techtarun77]

Thanks for comments।Your comments are very valuable for me।

[@arajasujathaars6894]

Super tarun❤ sir nice project wise explain.. Thank u would pls tell me laptop adapter variable like this🎉

[@KHOAIHOANG81]

Thanks for you...❤️❤️❤️👬👍👬❤️❤️❤️

[@milanchakraborty1052]

Remove this Zener Diode Than(INSTEAD OF THEN) connect this wire and being replaced 12 volts zener diode.....

[@IMRANMOBILEWALA]

Output amph how much??? Max