Cell charger from bike battery

frnds the small box i have only one option for me here to get smaller and smart on design of this cell charger from bike so i decided to make a ciruit using LM7805 regulater such small that it fits inside this box so it can be water prrof and also convineint to use inside the cover of bike here in o...

By: umaryasin21



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from Instructables: exploring - technology http://ift.tt/1BaM8rq