Mobile charging by 9v battery. OTG power bank ⚡⚡

components used:-
1. 9v battery
2. voltage regulator 7805ic
3. USB port
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Thanks a lot for watching

[@NamanBhasin5]

U r working really hard brother in every video
Really appreciated👍👍

[@innovatorshub]

+Naman Bhasin *Thanks a lot* Naman bhai.