MS18手电筒自制蝙蝠信号到达云端

author: Nighthawkinlight


In this video, I test my DIY bat signal powered by the incredibly bright Imalent MS18 flashlight against the clouds. I also show an easy way that you can build your own image projector using a few common items. This is a great project to learn the basics of how lenses work, and can be used to build your own mini bat signal!

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伊马伦特 MS18
$669.95$669.95
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IMALENT MR90 50000流明手电筒
$359.95$359.95
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