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YouTubeKênh KHKT
I Built a Tiny Rechargeable Flashlight From Scratch
In this DIY project, I built a tiny rechargeable flashlight from scratch using simple recycled parts that are easy to find. I used a single 18650 battery holder as the flashlight body, an old USB LED light as the light source, a USB-C charging module with battery protection, and a small power switch. The flashlight is powered by a recycled ...
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