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4.3 inch nextion lm2596 problem

Hi guys!


I have an problem with my 4.3 nextion.


I convert 19 volt to 5volt with lm2596. Output voltage is 5v ok. But when i connected 4.3 inch nextion, nextions fluorescent burned but when i connected 2.4 inch nextion nothing happened there is no damage on nextion. What could i have done wrong.



1 Comment

Its one of the Iteadstudio problems! People dont have much information about the screen and they dont give the right support to their clients. !!!!! 

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