Afin de limiter la dissipation de chaleur et ameliorer le rendement de ton machin, il serait interessant de ne pas utliser un 7805 mais un buck converter.
http://www.ebay.com/itm/1A-6-5-40V-t...YAAOSwKOJYK~P0
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Hello IT ... Have you tried to turn it off and on again ? ... The button on the side, is it glowing ? ... Yeah you need to turn it on ! ... The button turns it on ? ... You DO know how a button works don't you ! ?
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