Fume extractor (140mm)
thingiverse
This is another fume extractor that draws its power from a USB connection and utilizes an ultra quiet 140mm computer case fan. You can easily install a carbon filter in the front for enhanced performance. To build this project, you will need to gather the following essential components: - A high-quality 140mm/25mm 12V computer case fan (any reputable model) - One bright red LED light with a thickness of 3mm - A DC-DC Boost Step up Conversion Module that can handle MicroUSB inputs ranging from 2V to 24V and convert them to outputs between 5V and 28V. You can find this module on eBay at the following link: https://www.ebay.co.uk/itm/DC-DC-Boost-Step-up-Conversion-Module-MicroUSB-2V-24V-to-5V-28V-9V-12V-24V-T-P0/113946837810 - A compact mini power switch, which is available at GigDigit in various versions (V1 and V2), as seen here: https://gigdigit.com/power-switch-mp-select-mini-v1-v2
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