Battery/USB - solder fume extractor
thingiverse
Fume extractor with standard 12cm PC fan and 2 air filters. The extractor can be powered either from a 18650 battery or directly from USB. No screws needed for assembly; only some basic soldering skills are required. List of material: - 2 x activated carbon air filters 12.2x12.2x10 cm (I cut out some cheap 13x13 cm filters) - 12x12x2.5 cm PC fan - 18650 battery - 18650 battery holder - TP4056 USB battery manager with short circuit protection - MT3608 DC-DC step-up converter set to 13 V - pin header connector for the FAN - ON/OFF switch
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