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Can a small DC booster power up a laptop; charage a high loading power bank and a motor? Use this you can build your own DC power adaptor.
01:00 Project Intro
03:06 Powering a motor
04:58 Stepping up a motor
05:35 Charging a power bank
09:31 Powering up a laptop
10:13 Precaution before using it
11:00 Laptop powered up