Mask Amplifier
thingiverse
nCoV is on its way! But masks are disappearing fast! Using a snorkeling mask, covering a small piece of mask with a fan, one mask can be divided into 4-6 parts. --2020 Feb 3 15:00 UTC +8 The breathing resistance still feels a bit strong right now. I'm unable to measure the resistance accurately. But wearing it, I barely make it through 40 squats. --2020 Feb 9 00:30 UTC+8 12v Runoff Fan = NMB 5020 BM5020-04W-B49 (https://item.taobao.com/item.htm?id=553042177755) Power Source = 5v Power Bank + 5v-to-12v Adapter (https://detail.tmall.com/item.htm?id=526012870694) It even works for N95. --- Working in Progress. I CANNOT GUARANTEE THE SAFETY OF THIS. USE AT YOUR OWN RISK.
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