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Pa help po sa mga electrician jan

NONA QH

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Baka po me alam kayo papano pailawin to sa usb po? Tpos sasaksak sa usb charger? Salamat po.
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ilang volts lods yan? anong ilaw?

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eto bossing diagram sa USB

Connect mo lang sa RED and Black. tapos sa may ilaw na tatlo ground yata isa bali tap mo nalang yung both side para malaman mo positive at negative
 

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Dapat 5 volts yung rating ng ilaw. Kung 12 iyan hindi gagana. Kung 12 volts yung ilaw salpakan mo na lang ng USB 5 volts to 12 volts converter na pang powerbank
 

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